458121494 has 16 divisors (see below), whose sum is σ = 713041728. Its totient is φ = 220568832.

The previous prime is 458121493. The next prime is 458121533. The reversal of 458121494 is 494121854.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (458121493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24734 + ... + 39089.

It is an arithmetic number, because the mean of its divisors is an integer number (44565108).

Almost surely, 2^458121494 is an apocalyptic number.

458121494 is a deficient number, since it is larger than the sum of its proper divisors (254920234).

458121494 is a wasteful number, since it uses less digits than its factorization.

458121494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63959.

The product of its digits is 46080, while the sum is 38.

The square root of 458121494 is about 21403.7728917123. The cubic root of 458121494 is about 770.8920307975.

The spelling of 458121494 in words is "four hundred fifty-eight million, one hundred twenty-one thousand, four hundred ninety-four".