259444842 has 16 divisors (see below), whose sum is σ = 520433472. Its totient is φ = 86224320.

The previous prime is 259444819. The next prime is 259444873. The reversal of 259444842 is 248444952.

It is a junction number, because it is equal to n+sod(n) for n = 259444794 and 259444803.

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, 62134 + ... + 66177.

It is an arithmetic number, because the mean of its divisors is an integer number (32527092).

Almost surely, 2^259444842 is an apocalyptic number.

259444842 is an abundant number, since it is smaller than the sum of its proper divisors (260988630).

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

259444842 is a wasteful number, since it uses less digits than its factorization.

259444842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128653.

The product of its digits is 368640, while the sum is 42.

The square root of 259444842 is about 16107.2915786609. The cubic root of 259444842 is about 637.7958371644.

The spelling of 259444842 in words is "two hundred fifty-nine million, four hundred forty-four thousand, eight hundred forty-two".