462523640 has 32 divisors (see below), whose sum is σ = 1045165680. Its totient is φ = 184211712.

The previous prime is 462523637. The next prime is 462523667. The reversal of 462523640 is 46325264.

It is a junction number, because it is equal to n+sod(n) for n = 462523597 and 462523606.

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, 15494 + ... + 34133.

Almost surely, 2^462523640 is an apocalyptic number.

462523640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

462523640 is an abundant number, since it is smaller than the sum of its proper divisors (582642040).

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

462523640 is a wasteful number, since it uses less digits than its factorization.

462523640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49871 (or 49867 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 32.

The square root of 462523640 is about 21506.3627794195. The cubic root of 462523640 is about 773.3533627062.

The spelling of 462523640 in words is "four hundred sixty-two million, five hundred twenty-three thousand, six hundred forty".