253415450323320 has 64 divisors (see below), whose sum is σ = 760374061218720. Its totient is φ = 67566101397504.

The previous prime is 253415450323319. The next prime is 253415450323331. The reversal of 253415450323320 is 23323054514352.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176658009 + ... + 178086728.

Almost surely, 2^{253415450323320} is an apocalyptic number.

253415450323320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253415450323320 is an abundant number, since it is smaller than the sum of its proper divisors (506958610895400).

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

253415450323320 is a wasteful number, since it uses less digits than its factorization.

253415450323320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354750704 (or 354750700 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 42.

The spelling of 253415450323320 in words is "two hundred fifty-three trillion, four hundred fifteen billion, four hundred fifty million, three hundred twenty-three thousand, three hundred twenty".