457664663740 has 24 divisors (see below), whose sum is σ = 962110718352. Its totient is φ = 182872546560.

The previous prime is 457664663723. The next prime is 457664663767. The reversal of 457664663740 is 47366466754.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12063021 + ... + 12100900.

It is an arithmetic number, because the mean of its divisors is an integer number (40087946598).

Almost surely, 2^457664663740 is an apocalyptic number.

It is an amenable number.

457664663740 is an abundant number, since it is smaller than the sum of its proper divisors (504446054612).

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

457664663740 is a wasteful number, since it uses less digits than its factorization.

457664663740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24164877 (or 24164875 counting only the distinct ones).

The product of its (nonzero) digits is 60963840, while the sum is 58.

The spelling of 457664663740 in words is "four hundred fifty-seven billion, six hundred sixty-four million, six hundred sixty-three thousand, seven hundred forty".