258026064 has 40 divisors (see below), whose sum is σ = 669457152. Its totient is φ = 85635840.

The previous prime is 258026053. The next prime is 258026071. The reversal of 258026064 is 460620852.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 352 + ... + 22719.

Almost surely, 2^258026064 is an apocalyptic number.

258026064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

258026064 is an abundant number, since it is smaller than the sum of its proper divisors (411431088).

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

258026064 is a wasteful number, since it uses less digits than its factorization.

258026064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23315 (or 23309 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 258026064 is about 16063.1897206003. The cubic root of 258026064 is about 636.6311127806.

The spelling of 258026064 in words is "two hundred fifty-eight million, twenty-six thousand, sixty-four".