259240734942 has 16 divisors (see below), whose sum is σ = 592550251392. Its totient is φ = 74068781400.

The previous prime is 259240734937. The next prime is 259240734959. The reversal of 259240734942 is 249437042952.

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, 3086199184 + ... + 3086199267.

It is an arithmetic number, because the mean of its divisors is an integer number (37034390712).

Almost surely, 2^259240734942 is an apocalyptic number.

259240734942 is an abundant number, since it is smaller than the sum of its proper divisors (333309516450).

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

259240734942 is a wasteful number, since it uses less digits than its factorization.

259240734942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6172398463.

The product of its (nonzero) digits is 4354560, while the sum is 51.

The spelling of 259240734942 in words is "two hundred fifty-nine billion, two hundred forty million, seven hundred thirty-four thousand, nine hundred forty-two".