18470825604 has 576 divisors, whose sum is σ = 65750630400. Its totient is φ = 4387996800.

The previous prime is 18470825599. The next prime is 18470825629. The reversal of 18470825604 is 40652807481.

18470825604 is a `hidden beast` number, since 1 + 8 + 4 + 7 + 0 + 82 + 560 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 18470825604.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 44082907 + ... + 44083325.

It is an arithmetic number, because the mean of its divisors is an integer number (114150400).

Almost surely, 2^18470825604 is an apocalyptic number.

18470825604 is a gapful number since it is divisible by the number (14) 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 18470825604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32875315200).

18470825604 is an abundant number, since it is smaller than the sum of its proper divisors (47279804796).

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

18470825604 is a wasteful number, since it uses less digits than its factorization.

18470825604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506 (or 492 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 45.

The spelling of 18470825604 in words is "eighteen billion, four hundred seventy million, eight hundred twenty-five thousand, six hundred four".