464482638 has 48 divisors (see below), whose sum is σ = 1021550400. Its totient is φ = 152510400.

The previous prime is 464482621. The next prime is 464482643. The reversal of 464482638 is 836284464.

464482638 is a `hidden beast` number, since 4 + 6 + 4 + 4 + 8 + 2 + 638 = 666.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 464482593 and 464482602.

It is a congruent number.

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, 433968 + ... + 435036.

It is an arithmetic number, because the mean of its divisors is an integer number (21282300).

Almost surely, 2^464482638 is an apocalyptic number.

464482638 is an abundant number, since it is smaller than the sum of its proper divisors (557067762).

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

464482638 is a wasteful number, since it uses less digits than its factorization.

464482638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1417 (or 1414 counting only the distinct ones).

The product of its digits is 884736, while the sum is 45.

The square root of 464482638 is about 21551.8592701419. The cubic root of 464482638 is about 774.4436592715.

The spelling of 464482638 in words is "four hundred sixty-four million, four hundred eighty-two thousand, six hundred thirty-eight".