458540812 has 12 divisors (see below), whose sum is σ = 803567520. Its totient is φ = 228950096.

The previous prime is 458540807. The next prime is 458540821. The reversal of 458540812 is 218045854.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76843 + ... + 82594.

It is an arithmetic number, because the mean of its divisors is an integer number (66963960).

Almost surely, 2^458540812 is an apocalyptic number.

It is an amenable number.

458540812 is a deficient number, since it is larger than the sum of its proper divisors (345026708).

458540812 is a wasteful number, since it uses less digits than its factorization.

458540812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160160 (or 160158 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 37.

The square root of 458540812 is about 21413.5660738701. The cubic root of 458540812 is about 771.1271578950.

The spelling of 458540812 in words is "four hundred fifty-eight million, five hundred forty thousand, eight hundred twelve".