2565498942 has 24 divisors (see below), whose sum is σ = 5571145944. Its totient is φ = 853233264.

The previous prime is 2565498941. The next prime is 2565498983. The reversal of 2565498942 is 2498945652.

2565498942 is a `hidden beast` number, since 2 + 5 + 6 + 549 + 8 + 94 + 2 = 666.

2565498942 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2565498941) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 152893 + ... + 168840.

It is an arithmetic number, because the mean of its divisors is an integer number (232131081).

Almost surely, 2^2565498942 is an apocalyptic number.

2565498942 is an abundant number, since it is smaller than the sum of its proper divisors (3005647002).

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

2565498942 is a wasteful number, since it uses less digits than its factorization.

2565498942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322184 (or 322181 counting only the distinct ones).

The product of its digits is 6220800, while the sum is 54.

The square root of 2565498942 is about 50650.7546044479. The cubic root of 2565498942 is about 1368.9595421236.

The spelling of 2565498942 in words is "two billion, five hundred sixty-five million, four hundred ninety-eight thousand, nine hundred forty-two".