255025540428 has 24 divisors (see below), whose sum is σ = 596101746240. Its totient is φ = 84859634640.

The previous prime is 255025540423. The next prime is 255025540439. The reversal of 255025540428 is 824045520552.

It is a happy number.

255025540428 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 255025540428.

It is not an unprimeable number, because it can be changed into a prime (255025540423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18602718 + ... + 18616421.

It is an arithmetic number, because the mean of its divisors is an integer number (24837572760).

Almost surely, 2^255025540428 is an apocalyptic number.

It is an amenable number.

255025540428 is an abundant number, since it is smaller than the sum of its proper divisors (341076205812).

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

255025540428 is a wasteful number, since it uses less digits than its factorization.

255025540428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37219717 (or 37219715 counting only the distinct ones).

The product of its (nonzero) digits is 640000, while the sum is 42.

The spelling of 255025540428 in words is "two hundred fifty-five billion, twenty-five million, five hundred forty thousand, four hundred twenty-eight".