225256464501642 has 24 divisors (see below), whose sum is σ = 557777912099616. Its totient is φ = 64358989857576.

The previous prime is 225256464501631. The next prime is 225256464501643. The reversal of 225256464501642 is 246105464652522.

225256464501642 is a `hidden beast` number, since 2 + 2 + 5 + 2 + 56 + 46 + 4 + 501 + 6 + 42 = 666.

It is not an unprimeable number, because it can be changed into a prime (225256464501643) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 893874859008 + ... + 893874859259.

It is an arithmetic number, because the mean of its divisors is an integer number (23240746337484).

Almost surely, 2^{225256464501642} is an apocalyptic number.

225256464501642 is an abundant number, since it is smaller than the sum of its proper divisors (332521447597974).

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

225256464501642 is a wasteful number, since it uses less digits than its factorization.

225256464501642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1787749718282 (or 1787749718279 counting only the distinct ones).

The product of its (nonzero) digits is 27648000, while the sum is 54.

The spelling of 225256464501642 in words is "two hundred twenty-five trillion, two hundred fifty-six billion, four hundred sixty-four million, five hundred one thousand, six hundred forty-two".