249594495942 has 64 divisors (see below), whose sum is σ = 573364915200. Its totient is φ = 71637230880.

The previous prime is 249594495911. The next prime is 249594495967.

It is a happy number.

249594495942 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

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, 5982109 + ... + 6023687.

It is an arithmetic number, because the mean of its divisors is an integer number (8958826800).

Almost surely, 2^249594495942 is an apocalyptic number.

249594495942 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

249594495942 is an abundant number, since it is smaller than the sum of its proper divisors (323770419258).

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

249594495942 is a wasteful number, since it uses less digits than its factorization.

249594495942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46401.

The product of its digits is 167961600, while the sum is 66.

The spelling of 249594495942 in words is "two hundred forty-nine billion, five hundred ninety-four million, four hundred ninety-five thousand, nine hundred forty-two".