253436540430 has 64 divisors (see below), whose sum is σ = 644461427520. Its totient is φ = 63564693504.

The previous prime is 253436540351. The next prime is 253436540503. The reversal of 253436540430 is 34045634352.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 592522 + ... + 926258.

It is an arithmetic number, because the mean of its divisors is an integer number (10069709805).

Almost surely, 2^253436540430 is an apocalyptic number.

253436540430 is an abundant number, since it is smaller than the sum of its proper divisors (391024887090).

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

253436540430 is a wasteful number, since it uses less digits than its factorization.

253436540430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335253.

The product of its (nonzero) digits is 518400, while the sum is 39.

The spelling of 253436540430 in words is "two hundred fifty-three billion, four hundred thirty-six million, five hundred forty thousand, four hundred thirty".