253044816 has 40 divisors (see below), whose sum is σ = 674790144. Its totient is φ = 81626880.

The previous prime is 253044811. The next prime is 253044817. The reversal of 253044816 is 618440352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253044811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83541 + ... + 86516.

Almost surely, 2^253044816 is an apocalyptic number.

It is an amenable number.

253044816 is an abundant number, since it is smaller than the sum of its proper divisors (421745328).

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

253044816 is a wasteful number, since it uses less digits than its factorization.

253044816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170099 (or 170093 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 253044816 is about 15907.3824370950. The cubic root of 253044816 is about 632.5076970531.

The spelling of 253044816 in words is "two hundred fifty-three million, forty-four thousand, eight hundred sixteen".