18056200976 has 80 divisors (see below), whose sum is σ = 39459902976. Its totient is φ = 7929600000.

The previous prime is 18056200963. The next prime is 18056200999. The reversal of 18056200976 is 67900265081.

It is a Harshad number since it is a multiple of its sum of digits (44).

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, 3822296 + ... + 3827016.

Almost surely, 2^18056200976 is an apocalyptic number.

18056200976 is a gapful number since it is divisible by the number (16) 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 18056200976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19729951488).

18056200976 is an abundant number, since it is smaller than the sum of its proper divisors (21403702000).

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

18056200976 is a wasteful number, since it uses less digits than its factorization.

18056200976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5472 (or 5466 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 44.

The spelling of 18056200976 in words is "eighteen billion, fifty-six million, two hundred thousand, nine hundred seventy-six".