18372910283920 has 40 divisors (see below), whose sum is σ = 44190016981560. Its totient is φ = 7095744660480.

The previous prime is 18372910283909. The next prime is 18372910283983. The reversal of 18372910283920 is 2938201927381.

It can be written as a sum of positive squares in 4 ways, for example, as 1752351127696 + 16620559156224 = 1323764^2 + 4076832^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3959676621 + ... + 3959681260.

It is an arithmetic number, because the mean of its divisors is an integer number (1104750424539).

Almost surely, 2^{18372910283920} is an apocalyptic number.

18372910283920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18372910283920 is an abundant number, since it is smaller than the sum of its proper divisors (25817106697640).

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

18372910283920 is a wasteful number, since it uses less digits than its factorization.

18372910283920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7919357923 (or 7919357917 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 55.

The spelling of 18372910283920 in words is "eighteen trillion, three hundred seventy-two billion, nine hundred ten million, two hundred eighty-three thousand, nine hundred twenty".