249588885942 has 48 divisors (see below), whose sum is σ = 605881637712. Its totient is φ = 73588858560.

The previous prime is 249588885881. The next prime is 249588885943.

249588885942 is a `hidden beast` number, since 2 + 495 + 8 + 8 + 88 + 59 + 4 + 2 = 666.

249588885942 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×249588885942² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249588885943) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17027133 + ... + 17041784.

It is an arithmetic number, because the mean of its divisors is an integer number (12622534119).

Almost surely, 2^249588885942 is an apocalyptic number.

249588885942 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

249588885942 is an abundant number, since it is smaller than the sum of its proper divisors (356292751770).

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

249588885942 is a wasteful number, since it uses less digits than its factorization.

249588885942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34068973 (or 34068970 counting only the distinct ones).

The product of its digits is 530841600, while the sum is 72.

The spelling of 249588885942 in words is "two hundred forty-nine billion, five hundred eighty-eight million, eight hundred eighty-five thousand, nine hundred forty-two".