458142638 has 8 divisors (see below), whose sum is σ = 710911080. Its totient is φ = 221172280.

The previous prime is 458142617. The next prime is 458142647. The reversal of 458142638 is 836241854.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 458142595 and 458142604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3949448 + ... + 3949563.

It is an arithmetic number, because the mean of its divisors is an integer number (88863885).

Almost surely, 2^458142638 is an apocalyptic number.

458142638 is a deficient number, since it is larger than the sum of its proper divisors (252768442).

458142638 is a wasteful number, since it uses less digits than its factorization.

458142638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7899042.

The product of its digits is 184320, while the sum is 41.

The square root of 458142638 is about 21404.2668176231. The cubic root of 458142638 is about 770.9038904537.

The spelling of 458142638 in words is "four hundred fifty-eight million, one hundred forty-two thousand, six hundred thirty-eight".