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2042480240640 = 211385743101
BaseRepresentation
bin11101101110001101010…
…011110010100000000000
321020020222221220200000000
4131232031103302200000
5231430444420200030
64202145200000000
7300364364410110
oct35561523624000
97206887820000
102042480240640
11718235937384
1228ba1a600000
1311a7b3418338
1470bdc607040
15381e25da860
hex1db8d4f2800

2042480240640 has 1728 divisors, whose sum is σ = 8681349156480. Its totient is φ = 451480780800.

The previous prime is 2042480240609. The next prime is 2042480240657. The reversal of 2042480240640 is 460420842402.

It is a happy number.

2042480240640 is a `hidden beast` number, since 2 + 0 + 4 + 2 + 4 + 8 + 0 + 2 + 4 + 0 + 640 = 666.

It is a tau number, because it is divible by the number of its divisors (1728).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2042480240595 and 2042480240604.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 20222576590 + ... + 20222576690.

It is an arithmetic number, because the mean of its divisors is an integer number (5023928910).

Almost surely, 22042480240640 is an apocalyptic number.

2042480240640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2042480240640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4340674578240).

2042480240640 is an abundant number, since it is smaller than the sum of its proper divisors (6638868915840).

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

2042480240640 is an frugal number, since it uses more digits than its factorization.

2042480240640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 36.

The spelling of 2042480240640 in words is "two trillion, forty-two billion, four hundred eighty million, two hundred forty thousand, six hundred forty".