458648928478 has 16 divisors (see below), whose sum is σ = 784476448560. Its totient is φ = 199232113536.

The previous prime is 458648928449. The next prime is 458648928509. The reversal of 458648928478 is 874829846854.

It is a self number, because there is not a number n which added to its sum of digits gives 458648928478.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 518833188 + ... + 518834071.

It is an arithmetic number, because the mean of its divisors is an integer number (49029778035).

Almost surely, 2^458648928478 is an apocalyptic number.

458648928478 is a deficient number, since it is larger than the sum of its proper divisors (325827520082).

458648928478 is a wasteful number, since it uses less digits than its factorization.

458648928478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1037667291.

The product of its digits is 990904320, while the sum is 73.

The spelling of 458648928478 in words is "four hundred fifty-eight billion, six hundred forty-eight million, nine hundred twenty-eight thousand, four hundred seventy-eight".