2174345054256 has 80 divisors (see below), whose sum is σ = 5811654816000. Its totient is φ = 699680212224.

The previous prime is 2174345054251. The next prime is 2174345054327. The reversal of 2174345054256 is 6524505434712.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (2174345054251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9067455 + ... + 9304161.

It is an arithmetic number, because the mean of its divisors is an integer number (72645685200).

Almost surely, 2^{2174345054256} is an apocalyptic number.

It is an amenable number.

2174345054256 is an abundant number, since it is smaller than the sum of its proper divisors (3637309761744).

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

2174345054256 is a wasteful number, since it uses less digits than its factorization.

2174345054256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243346 (or 243340 counting only the distinct ones).

The product of its (nonzero) digits is 4032000, while the sum is 48.

The spelling of 2174345054256 in words is "two trillion, one hundred seventy-four billion, three hundred forty-five million, fifty-four thousand, two hundred fifty-six".