253302816 has 48 divisors (see below), whose sum is σ = 716071104. Its totient is φ = 77938944.

The previous prime is 253302799. The next prime is 253302821. The reversal of 253302816 is 618203352.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100236 + ... + 102731.

It is an arithmetic number, because the mean of its divisors is an integer number (14918148).

Almost surely, 2^253302816 is an apocalyptic number.

253302816 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

253302816 is an abundant number, since it is smaller than the sum of its proper divisors (462768288).

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

253302816 is a wasteful number, since it uses less digits than its factorization.

253302816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202993 (or 202985 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 253302816 is about 15915.4898133862. The cubic root of 253302816 is about 632.7225885744.

The spelling of 253302816 in words is "two hundred fifty-three million, three hundred two thousand, eight hundred sixteen".