458871864 has 64 divisors (see below), whose sum is σ = 1269146880. Its totient is φ = 137088000.

The previous prime is 458871863. The next prime is 458871883. The reversal of 458871864 is 468178854.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (458871863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6504 + ... + 30984.

It is an arithmetic number, because the mean of its divisors is an integer number (19830420).

Almost surely, 2^458871864 is an apocalyptic number.

458871864 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 458871864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (634573440).

458871864 is an abundant number, since it is smaller than the sum of its proper divisors (810275016).

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

458871864 is a wasteful number, since it uses less digits than its factorization.

458871864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24572 (or 24568 counting only the distinct ones).

The product of its digits is 1720320, while the sum is 51.

The square root of 458871864 is about 21421.2946387467. The cubic root of 458871864 is about 771.3126897461.

The spelling of 458871864 in words is "four hundred fifty-eight million, eight hundred seventy-one thousand, eight hundred sixty-four".