249996456 has 48 divisors (see below), whose sum is σ = 702156000. Its totient is φ = 83331504.

The previous prime is 249996449. The next prime is 249996473. The reversal of 249996456 is 654699942.

It is a happy number.

249996456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62356 + ... + 66243.

It is an arithmetic number, because the mean of its divisors is an integer number (14628250).

Almost surely, 2^249996456 is an apocalyptic number.

It is an amenable number.

249996456 is an abundant number, since it is smaller than the sum of its proper divisors (452159544).

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

249996456 is a wasteful number, since it uses less digits than its factorization.

249996456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128620 (or 128604 counting only the distinct ones).

The product of its digits is 4199040, while the sum is 54.

The square root of 249996456 is about 15811.2762293244. The cubic root of 249996456 is about 629.9575481599.

The spelling of 249996456 in words is "two hundred forty-nine million, nine hundred ninety-six thousand, four hundred fifty-six".