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2240923421920 = 25531451799077
BaseRepresentation
bin100000100111000001011…
…100011100110011100000
321221020012210202202200211
4200213001130130303200
5243203402344000140
64433244354023504
7320621112542041
oct40470134346340
97836183682624
102240923421920
1179440893a637
12302380877b94
1313341a0402b1
147a665a348c8
153d4590402ea
hex209c171cce0

2240923421920 has 48 divisors (see below), whose sum is σ = 5464961647488. Its totient is φ = 867454225920.

The previous prime is 2240923421911. The next prime is 2240923421927. The reversal of 2240923421920 is 291243290422.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2240923421927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225894579 + ... + 225904498.

It is an arithmetic number, because the mean of its divisors is an integer number (113853367656).

Almost surely, 22240923421920 is an apocalyptic number.

2240923421920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2240923421920 is an abundant number, since it is smaller than the sum of its proper divisors (3224038225568).

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

2240923421920 is a wasteful number, since it uses less digits than its factorization.

2240923421920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451799123 (or 451799115 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 40.

The spelling of 2240923421920 in words is "two trillion, two hundred forty billion, nine hundred twenty-three million, four hundred twenty-one thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 31 32 40 62 80 124 155 160 248 310 496 620 992 1240 2480 4960 451799077 903598154 1807196308 2258995385 3614392616 4517990770 7228785232 9035981540 14005771387 14457570464 18071963080 28011542774 36143926160 56023085548 70028856935 72287852320 112046171096 140057713870 224092342192 280115427740 448184684384 560230855480 1120461710960 2240923421920