258018964 has 24 divisors (see below), whose sum is σ = 518107968. Its totient is φ = 110136000.

The previous prime is 258018961. The next prime is 258018989. The reversal of 258018964 is 469810852.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 258018964.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258018961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11329 + ... + 25384.

It is an arithmetic number, because the mean of its divisors is an integer number (21587832).

Almost surely, 2^258018964 is an apocalyptic number.

It is an amenable number.

258018964 is an abundant number, since it is smaller than the sum of its proper divisors (260089004).

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

258018964 is a wasteful number, since it uses less digits than its factorization.

258018964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36975 (or 36973 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 43.

The square root of 258018964 is about 16062.9687168966. The cubic root of 258018964 is about 636.6252734191.

The spelling of 258018964 in words is "two hundred fifty-eight million, eighteen thousand, nine hundred sixty-four".