253302840 has 96 divisors (see below), whose sum is σ = 940848480. Its totient is φ = 57897216.

The previous prime is 253302821. The next prime is 253302859. The reversal of 253302840 is 48203352.

It is an interprime number because it is at equal distance from previous prime (253302821) and next prime (253302859).

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, 47739 + ... + 52778.

It is an arithmetic number, because the mean of its divisors is an integer number (9800505).

Almost surely, 2^253302840 is an apocalyptic number.

253302840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253302840 is an abundant number, since it is smaller than the sum of its proper divisors (687545640).

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

253302840 is a wasteful number, since it uses less digits than its factorization.

253302840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100541 (or 100534 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 253302840 is about 15915.4905673686. The cubic root of 253302840 is about 632.7226085575.

The spelling of 253302840 in words is "two hundred fifty-three million, three hundred two thousand, eight hundred forty".