253868368 has 40 divisors (see below), whose sum is σ = 530778528. Its totient is φ = 116932992.

The previous prime is 253868339. The next prime is 253868371. The reversal of 253868368 is 863868352.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 141171 + ... + 142957.

Almost surely, 2^253868368 is an apocalyptic number.

It is an amenable number.

253868368 is an abundant number, since it is smaller than the sum of its proper divisors (276910160).

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

253868368 is a wasteful number, since it uses less digits than its factorization.

253868368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2491 (or 2485 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 49.

The square root of 253868368 is about 15933.2472522082. The cubic root of 253868368 is about 633.1931341253.

The spelling of 253868368 in words is "two hundred fifty-three million, eight hundred sixty-eight thousand, three hundred sixty-eight".