265984339461042 has 64 divisors (see below), whose sum is σ = 539175772422144. Its totient is φ = 87469130448000.

The previous prime is 265984339461017. The next prime is 265984339461059. The reversal of 265984339461042 is 240164933489562.

265984339461042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 132339633 + ... + 134334459.

It is an arithmetic number, because the mean of its divisors is an integer number (8424621444096).

Almost surely, 2^{265984339461042} is an apocalyptic number.

265984339461042 is an abundant number, since it is smaller than the sum of its proper divisors (273191432961102).

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

265984339461042 is a wasteful number, since it uses less digits than its factorization.

265984339461042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1995943.

The product of its (nonzero) digits is 268738560, while the sum is 66.

The spelling of 265984339461042 in words is "two hundred sixty-five trillion, nine hundred eighty-four billion, three hundred thirty-nine million, four hundred sixty-one thousand, forty-two".