258048778010 has 16 divisors (see below), whose sum is σ = 464550558696. Its totient is φ = 103205564928.

The previous prime is 258048777971. The next prime is 258048778021. The reversal of 258048778010 is 10877840852.

It can be written as a sum of positive squares in 4 ways, for example, as 199316709601 + 58732068409 = 446449^2 + 242347^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 258048778010.

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, 1665407 + ... + 1813746.

Almost surely, 2^258048778010 is an apocalyptic number.

258048778010 is a deficient number, since it is larger than the sum of its proper divisors (206501780686).

258048778010 is a wasteful number, since it uses less digits than its factorization.

258048778010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3486577.

The product of its (nonzero) digits is 1003520, while the sum is 50.

The spelling of 258048778010 in words is "two hundred fifty-eight billion, forty-eight million, seven hundred seventy-eight thousand, ten".