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2042020442040 = 233523739862479
BaseRepresentation
bin11101101101110001111…
…001110010111110111000
321020012210220201110220020
4131231301321302332320
5231424024213121130
64202031412530440
7300350112240315
oct35556171627670
97205726643806
102042020442040
1171801a338937
1228b910620a20
1311a73c09a667
1470b97517d0c
15381b7063e10
hex1db71e72fb8

2042020442040 has 64 divisors (see below), whose sum is σ = 6392411827200. Its totient is φ = 520863184512.

The previous prime is 2042020442039. The next prime is 2042020442057. The reversal of 2042020442040 is 402440202402.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 2042020442040.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 369928480 + ... + 369933999.

It is an arithmetic number, because the mean of its divisors is an integer number (99881434800).

Almost surely, 22042020442040 is an apocalyptic number.

2042020442040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2042020442040 is an abundant number, since it is smaller than the sum of its proper divisors (4350391385160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2042020442040 is a wasteful number, since it uses less digits than its factorization.

2042020442040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739862516 (or 739862512 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 2042020442040 its reverse (402440202402), we get a palindrome (2444460644442).

The spelling of 2042020442040 in words is "two trillion, forty-two billion, twenty million, four hundred forty-two thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 23 24 30 40 46 60 69 92 115 120 138 184 230 276 345 460 552 690 920 1380 2760 739862479 1479724958 2219587437 2959449916 3699312395 4439174874 5918899832 7398624790 8878349748 11097937185 14797249580 17016837017 17756699496 22195874370 29594499160 34033674034 44391748740 51050511051 68067348068 85084185085 88783497480 102101022102 136134696136 170168370170 204202044204 255252555255 340336740340 408404088408 510505110510 680673480680 1021010221020 2042020442040