249272448 has 32 divisors (see below), whose sum is σ = 662130960. Its totient is φ = 83090688.

The previous prime is 249272447. The next prime is 249272449. The reversal of 249272448 is 844272942.

It is an interprime number because it is at equal distance from previous prime (249272447) and next prime (249272449).

It is a tau number, because it is divible by the number of its divisors (32).

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (249272447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324190 + ... + 324957.

Almost surely, 2^249272448 is an apocalyptic number.

It is an amenable number.

249272448 is an abundant number, since it is smaller than the sum of its proper divisors (412858512).

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

249272448 is an equidigital number, since it uses as much as digits as its factorization.

249272448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649164 (or 649152 counting only the distinct ones).

The product of its digits is 258048, while the sum is 42.

The square root of 249272448 is about 15788.3643231337. The cubic root of 249272448 is about 629.3488257861.

The spelling of 249272448 in words is "two hundred forty-nine million, two hundred seventy-two thousand, four hundred forty-eight".