462640458 has 64 divisors (see below), whose sum is σ = 1102233600. Its totient is φ = 129343536.

The previous prime is 462640447. The next prime is 462640459. The reversal of 462640458 is 854046264.

It is not an unprimeable number, because it can be changed into a prime (462640459) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 94335 + ... + 99117.

It is an arithmetic number, because the mean of its divisors is an integer number (17222400).

Almost surely, 2^462640458 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 462640458, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (551116800).

462640458 is an abundant number, since it is smaller than the sum of its proper divisors (639593142).

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

462640458 is a wasteful number, since it uses less digits than its factorization.

462640458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4856 (or 4842 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 39.

The square root of 462640458 is about 21509.0785018792. The cubic root of 462640458 is about 773.4184649559.

The spelling of 462640458 in words is "four hundred sixty-two million, six hundred forty thousand, four hundred fifty-eight".