457386642 has 16 divisors (see below), whose sum is σ = 1016414880. Its totient is φ = 152462196.

The previous prime is 457386623. The next prime is 457386653. The reversal of 457386642 is 246683754.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4235008 + ... + 4235115.

It is an arithmetic number, because the mean of its divisors is an integer number (63525930).

Almost surely, 2^457386642 is an apocalyptic number.

457386642 is an abundant number, since it is smaller than the sum of its proper divisors (559028238).

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

457386642 is a wasteful number, since it uses less digits than its factorization.

457386642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8470134 (or 8470128 counting only the distinct ones).

The product of its digits is 967680, while the sum is 45.

The square root of 457386642 is about 21386.5995894626. The cubic root of 457386642 is about 770.4796258476.

The spelling of 457386642 in words is "four hundred fifty-seven million, three hundred eighty-six thousand, six hundred forty-two".