18457390080 has 704 divisors, whose sum is σ = 69801062400. Its totient is φ = 4618321920.

The previous prime is 18457390073. The next prime is 18457390099. The reversal of 18457390080 is 8009375481.

18457390080 is a `hidden beast` number, since 184 + 5 + 7 + 390 + 0 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 252840924 + ... + 252840996.

Almost surely, 2^18457390080 is an apocalyptic number.

18457390080 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 18457390080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34900531200).

18457390080 is an abundant number, since it is smaller than the sum of its proper divisors (51343672320).

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

18457390080 is a wasteful number, since it uses less digits than its factorization.

18457390080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197 (or 173 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The spelling of 18457390080 in words is "eighteen billion, four hundred fifty-seven million, three hundred ninety thousand, eighty".