249404460 has 48 divisors (see below), whose sum is σ = 705548256. Its totient is φ = 65820672.

The previous prime is 249404453. The next prime is 249404471. The reversal of 249404460 is 64404942.

249404460 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15607 + ... + 27246.

It is an arithmetic number, because the mean of its divisors is an integer number (14698922).

Almost surely, 2^249404460 is an apocalyptic number.

249404460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

249404460 is an abundant number, since it is smaller than the sum of its proper divisors (456143796).

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

249404460 is a wasteful number, since it uses less digits than its factorization.

249404460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42962 (or 42960 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 249404460 is about 15792.5444435024. The cubic root of 249404460 is about 629.4599049631.

The spelling of 249404460 in words is "two hundred forty-nine million, four hundred four thousand, four hundred sixty".