662604426 has 48 divisors (see below), whose sum is σ = 1569099168. Its totient is φ = 200412000.

The previous prime is 662604413. The next prime is 662604433. The reversal of 662604426 is 624406266.

662604426 is a `hidden beast` number, since 6 + 6 + 2 + 604 + 42 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 113376 + ... + 119076.

It is an arithmetic number, because the mean of its divisors is an integer number (32689566).

Almost surely, 2^662604426 is an apocalyptic number.

662604426 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

662604426 is an abundant number, since it is smaller than the sum of its proper divisors (906494742).

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

662604426 is a wasteful number, since it uses less digits than its factorization.

662604426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6307 (or 6304 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The square root of 662604426 is about 25741.1038224859. The cubic root of 662604426 is about 871.8025015295.

The spelling of 662604426 in words is "six hundred sixty-two million, six hundred four thousand, four hundred twenty-six".