249955264 has 28 divisors (see below), whose sum is σ = 534160984. Its totient is φ = 115363584.

The previous prime is 249955213. The next prime is 249955273. The reversal of 249955264 is 462559942.

249955264 = T₃₂₁ + T₃₂₂ + ... + T₁₁₅₂.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149382 + ... + 151045.

It is an arithmetic number, because the mean of its divisors is an integer number (19077178).

Almost surely, 2^249955264 is an apocalyptic number.

It is an amenable number.

249955264 is an abundant number, since it is smaller than the sum of its proper divisors (284205720).

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

249955264 is a wasteful number, since it uses less digits than its factorization.

249955264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300452 (or 300442 counting only the distinct ones).

The product of its digits is 777600, while the sum is 46.

The square root of 249955264 is about 15809.9735610152. The cubic root of 249955264 is about 629.9229468205.

The spelling of 249955264 in words is "two hundred forty-nine million, nine hundred fifty-five thousand, two hundred sixty-four".