253244255454242 has 16 divisors (see below), whose sum is σ = 422283224977152. Its totient is φ = 113111578118160.

The previous prime is 253244255454227. The next prime is 253244255454283. The reversal of 253244255454242 is 242454552442352.

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, 157099413248 + ... + 157099414859.

It is an arithmetic number, because the mean of its divisors is an integer number (26392701561072).

Almost surely, 2^{253244255454242} is an apocalyptic number.

253244255454242 is a deficient number, since it is larger than the sum of its proper divisors (169038969522910).

253244255454242 is a wasteful number, since it uses less digits than its factorization.

253244255454242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314198828153.

The product of its digits is 61440000, while the sum is 53.

The spelling of 253244255454242 in words is "two hundred fifty-three trillion, two hundred forty-four billion, two hundred fifty-five million, four hundred fifty-four thousand, two hundred forty-two".