458939442 has 48 divisors (see below), whose sum is σ = 1028255040. Its totient is φ = 136334016.

The previous prime is 458939441. The next prime is 458939449. The reversal of 458939442 is 244939854.

It is a super-2 number, since 2×458939442² = 421250822846542728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 458939391 and 458939400.

It is not an unprimeable number, because it can be changed into a prime (458939441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21603 + ... + 37209.

It is an arithmetic number, because the mean of its divisors is an integer number (21421980).

Almost surely, 2^458939442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 458939442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (514127520).

458939442 is an abundant number, since it is smaller than the sum of its proper divisors (569315598).

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

458939442 is a wasteful number, since it uses less digits than its factorization.

458939442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15667 (or 15654 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 48.

The square root of 458939442 is about 21422.8719363208. The cubic root of 458939442 is about 771.3505515942.

The spelling of 458939442 in words is "four hundred fifty-eight million, nine hundred thirty-nine thousand, four hundred forty-two".