655438832 has 10 divisors (see below), whose sum is σ = 1269912768. Its totient is φ = 327719408.

The previous prime is 655438813. The next prime is 655438837. The reversal of 655438832 is 238834556.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655438837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20482448 + ... + 20482479.

Almost surely, 2^655438832 is an apocalyptic number.

It is an amenable number.

655438832 is a deficient number, since it is larger than the sum of its proper divisors (614473936).

655438832 is a wasteful number, since it uses less digits than its factorization.

655438832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40964935 (or 40964929 counting only the distinct ones).

The product of its digits is 691200, while the sum is 44.

The square root of 655438832 is about 25601.5396412013. The cubic root of 655438832 is about 868.6484638713.

The spelling of 655438832 in words is "six hundred fifty-five million, four hundred thirty-eight thousand, eight hundred thirty-two".