255744940430 has 32 divisors (see below), whose sum is σ = 529944071616. Its totient is φ = 87043947264.

The previous prime is 255744940387. The next prime is 255744940447. The reversal of 255744940430 is 34049447552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13324349 + ... + 13343528.

It is an arithmetic number, because the mean of its divisors is an integer number (16560752238).

Almost surely, 2^255744940430 is an apocalyptic number.

255744940430 is an abundant number, since it is smaller than the sum of its proper divisors (274199131186).

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

255744940430 is a wasteful number, since it uses less digits than its factorization.

255744940430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26668028.

The product of its (nonzero) digits is 2419200, while the sum is 47.

The spelling of 255744940430 in words is "two hundred fifty-five billion, seven hundred forty-four million, nine hundred forty thousand, four hundred thirty".