249333880 has 32 divisors (see below), whose sum is σ = 580348800. Its totient is φ = 96294016.

The previous prime is 249333871. The next prime is 249333907. The reversal of 249333880 is 88333942.

249333880 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 (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106312 + ... + 108631.

It is an arithmetic number, because the mean of its divisors is an integer number (18135900).

Almost surely, 2^249333880 is an apocalyptic number.

249333880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

249333880 is an abundant number, since it is smaller than the sum of its proper divisors (331014920).

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

249333880 is a wasteful number, since it uses less digits than its factorization.

249333880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214983 (or 214979 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 249333880 is about 15790.3096866401. The cubic root of 249333880 is about 629.4005215401.

The spelling of 249333880 in words is "two hundred forty-nine million, three hundred thirty-three thousand, eight hundred eighty".