249464655 has 24 divisors (see below), whose sum is σ = 471715920. Its totient is φ = 120952320.

The previous prime is 249464627. The next prime is 249464671. The reversal of 249464655 is 556464942.

It is not a de Polignac number, because 249464655 - 2¹⁶ = 249399119 is a prime.

It is a super-2 number, since 2×249464655² = 124465228188538050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 249464655.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 251490 + ... + 252479.

It is an arithmetic number, because the mean of its divisors is an integer number (19654830).

Almost surely, 2^249464655 is an apocalyptic number.

249464655 is a deficient number, since it is larger than the sum of its proper divisors (222251265).

249464655 is a wasteful number, since it uses less digits than its factorization.

249464655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503991 (or 503988 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 45.

The square root of 249464655 is about 15794.4501328790. The cubic root of 249464655 is about 629.5105419766.

The spelling of 249464655 in words is "two hundred forty-nine million, four hundred sixty-four thousand, six hundred fifty-five".