255901088402 has 4 divisors (see below), whose sum is σ = 383851632606. Its totient is φ = 127950544200.

The previous prime is 255901088269. The next prime is 255901088407. The reversal of 255901088402 is 204880109552.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 214720097641 + 41180990761 = 463379^2 + 202931^2 .

It is a super-3 number, since 3×255901088402³ (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (255901088407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63975272099 + ... + 63975272102.

Almost surely, 2^255901088402 is an apocalyptic number.

255901088402 is a deficient number, since it is larger than the sum of its proper divisors (127950544204).

255901088402 is a wasteful number, since it uses less digits than its factorization.

255901088402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127950544203.

The product of its (nonzero) digits is 230400, while the sum is 44.

The spelling of 255901088402 in words is "two hundred fifty-five billion, nine hundred one million, eighty-eight thousand, four hundred two".