458135721564 has 48 divisors (see below), whose sum is σ = 1133421988608. Its totient is φ = 143531106048.

The previous prime is 458135721451. The next prime is 458135721583. The reversal of 458135721564 is 465127531854.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1396234 + ... + 1692849.

It is an arithmetic number, because the mean of its divisors is an integer number (23612958096).

Almost surely, 2^458135721564 is an apocalyptic number.

It is an amenable number.

458135721564 is an abundant number, since it is smaller than the sum of its proper divisors (675286267044).

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

458135721564 is a wasteful number, since it uses less digits than its factorization.

458135721564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3089834 (or 3089832 counting only the distinct ones).

The product of its digits is 4032000, while the sum is 51.

The spelling of 458135721564 in words is "four hundred fifty-eight billion, one hundred thirty-five million, seven hundred twenty-one thousand, five hundred sixty-four".