249250207904 has 24 divisors (see below), whose sum is σ = 490962987648. Its totient is φ = 124561195200.

The previous prime is 249250207859. The next prime is 249250207907. The reversal of 249250207904 is 409702052942.

It is a happy number.

249250207904 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×249250207904² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (249250207907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1933742 + ... + 2058605.

It is an arithmetic number, because the mean of its divisors is an integer number (20456791152).

Almost surely, 2^249250207904 is an apocalyptic number.

It is an amenable number.

249250207904 is a deficient number, since it is larger than the sum of its proper divisors (241712779744).

249250207904 is a wasteful number, since it uses less digits than its factorization.

249250207904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3994308 (or 3994300 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 44.

The spelling of 249250207904 in words is "two hundred forty-nine billion, two hundred fifty million, two hundred seven thousand, nine hundred four".