655462720 has 56 divisors (see below), whose sum is σ = 1702722528. Its totient is φ = 238348800.

The previous prime is 655462681. The next prime is 655462739. The reversal of 655462720 is 27264556.

It is a self number, because there is not a number n which added to its sum of digits gives 655462720.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89586 + ... + 96625.

Almost surely, 2^655462720 is an apocalyptic number.

It is an amenable number.

655462720 is an abundant number, since it is smaller than the sum of its proper divisors (1047259808).

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

655462720 is a wasteful number, since it uses less digits than its factorization.

655462720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186239 (or 186229 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 37.

The square root of 655462720 is about 25602.0061713921. The cubic root of 655462720 is about 868.6590166091.

The spelling of 655462720 in words is "six hundred fifty-five million, four hundred sixty-two thousand, seven hundred twenty".