258250252388 has 6 divisors (see below), whose sum is σ = 451937941686. Its totient is φ = 129125126192.

The previous prime is 258250252357. The next prime is 258250252391. The reversal of 258250252388 is 883252052852.

It can be written as a sum of positive squares in only one way, i.e., 138650480164 + 119599772224 = 372358^2 + 345832^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32281281545 + ... + 32281281552.

It is an arithmetic number, because the mean of its divisors is an integer number (75322990281).

Almost surely, 2^258250252388 is an apocalyptic number.

It is an amenable number.

258250252388 is a deficient number, since it is larger than the sum of its proper divisors (193687689298).

258250252388 is a wasteful number, since it uses less digits than its factorization.

258250252388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64562563101 (or 64562563099 counting only the distinct ones).

The product of its (nonzero) digits is 3072000, while the sum is 50.

The spelling of 258250252388 in words is "two hundred fifty-eight billion, two hundred fifty million, two hundred fifty-two thousand, three hundred eighty-eight".