253072502056340 has 96 divisors (see below), whose sum is σ = 574354890668160. Its totient is φ = 93323444301824.

The previous prime is 253072502056267. The next prime is 253072502056349. The reversal of 253072502056340 is 43650205270352.

It is a junction number, because it is equal to n+sod(n) for n = 253072502056291 and 253072502056300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253072502056349) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35842874 + ... + 42318513.

It is an arithmetic number, because the mean of its divisors is an integer number (5982863444460).

Almost surely, 2^{253072502056340} is an apocalyptic number.

253072502056340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253072502056340 is an abundant number, since it is smaller than the sum of its proper divisors (321282388611820).

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

253072502056340 is a wasteful number, since it uses less digits than its factorization.

253072502056340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78161609 (or 78161607 counting only the distinct ones).

The product of its (nonzero) digits is 1512000, while the sum is 44.

The spelling of 253072502056340 in words is "two hundred fifty-three trillion, seventy-two billion, five hundred two million, fifty-six thousand, three hundred forty".