253402562455 has 32 divisors (see below), whose sum is σ = 359584272000. Its totient is φ = 167733952512.

The previous prime is 253402562437. The next prime is 253402562461. The reversal of 253402562455 is 554265204352.

It is not a de Polignac number, because 253402562455 - 2⁷ = 253402562327 is a prime.

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, 5206071 + ... + 5254519.

It is an arithmetic number, because the mean of its divisors is an integer number (11237008500).

Almost surely, 2^253402562455 is an apocalyptic number.

253402562455 is a deficient number, since it is larger than the sum of its proper divisors (106181709545).

253402562455 is a wasteful number, since it uses less digits than its factorization.

253402562455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53643.

The product of its (nonzero) digits is 1440000, while the sum is 43.

The spelling of 253402562455 in words is "two hundred fifty-three billion, four hundred two million, five hundred sixty-two thousand, four hundred fifty-five".