255640056004 has 12 divisors (see below), whose sum is σ = 453033011200. Its totient is φ = 126202052808.

The previous prime is 255640055981. The next prime is 255640056017. The reversal of 255640056004 is 400650046552.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 404493444 + ... + 404494075.

Almost surely, 2^255640056004 is an apocalyptic number.

It is an amenable number.

255640056004 is a deficient number, since it is larger than the sum of its proper divisors (197392955196).

255640056004 is a wasteful number, since it uses less digits than its factorization.

255640056004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808987602 (or 808987600 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 37.

The spelling of 255640056004 in words is "two hundred fifty-five billion, six hundred forty million, fifty-six thousand, four".