254172255728 has 20 divisors (see below), whose sum is σ = 494374935360. Its totient is φ = 126591627264.

The previous prime is 254172255721. The next prime is 254172255739. The reversal of 254172255728 is 827552271452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254172255721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30902048 + ... + 30910271.

It is an arithmetic number, because the mean of its divisors is an integer number (24718746768).

Almost surely, 2^254172255728 is an apocalyptic number.

It is an amenable number.

254172255728 is a deficient number, since it is larger than the sum of its proper divisors (240202679632).

254172255728 is a wasteful number, since it uses less digits than its factorization.

254172255728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61812584 (or 61812578 counting only the distinct ones).

The product of its digits is 3136000, while the sum is 50.

The spelling of 254172255728 in words is "two hundred fifty-four billion, one hundred seventy-two million, two hundred fifty-five thousand, seven hundred twenty-eight".