255288705430 has 64 divisors (see below), whose sum is σ = 519233089536. Its totient is φ = 89530704000.

The previous prime is 255288705319. The next prime is 255288705443. The reversal of 255288705430 is 34507882552.

It is a super-2 number, since 2×255288705430² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 871375 + ... + 1126885.

It is an arithmetic number, because the mean of its divisors is an integer number (8113017024).

Almost surely, 2^255288705430 is an apocalyptic number.

255288705430 is an abundant number, since it is smaller than the sum of its proper divisors (263944384106).

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

255288705430 is a wasteful number, since it uses less digits than its factorization.

255288705430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255853.

The product of its (nonzero) digits is 2688000, while the sum is 49.

The spelling of 255288705430 in words is "two hundred fifty-five billion, two hundred eighty-eight million, seven hundred five thousand, four hundred thirty".