18560855040 has 704 divisors, whose sum is σ = 74831769600. Its totient is φ = 3901685760.

The previous prime is 18560855039. The next prime is 18560855057. The reversal of 18560855040 is 4055806581.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 18560854983 and 18560855001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 68490105 + ... + 68490375.

Almost surely, 2^18560855040 is an apocalyptic number.

18560855040 is a gapful number since it is divisible by the number (10) 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 18560855040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37415884800).

18560855040 is an abundant number, since it is smaller than the sum of its proper divisors (56270914560).

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

18560855040 is a wasteful number, since it uses less digits than its factorization.

18560855040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333 (or 301 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 42.

The spelling of 18560855040 in words is "eighteen billion, five hundred sixty million, eight hundred fifty-five thousand, forty".