249041264 has 10 divisors (see below), whose sum is σ = 482517480. Its totient is φ = 124520624.

The previous prime is 249041231. The next prime is 249041269. The reversal of 249041264 is 462140942.

It is a self number, because there is not a number n which added to its sum of digits gives 249041264.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249041269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7782524 + ... + 7782555.

It is an arithmetic number, because the mean of its divisors is an integer number (48251748).

Almost surely, 2^249041264 is an apocalyptic number.

It is an amenable number.

249041264 is a deficient number, since it is larger than the sum of its proper divisors (233476216).

249041264 is a wasteful number, since it uses less digits than its factorization.

249041264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15565087 (or 15565081 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 249041264 is about 15781.0412837683. The cubic root of 249041264 is about 629.1542055590.

The spelling of 249041264 in words is "two hundred forty-nine million, forty-one thousand, two hundred sixty-four".