255287814040 has 32 divisors (see below), whose sum is σ = 656454379680. Its totient is φ = 87527250432.

The previous prime is 255287814011. The next prime is 255287814049. The reversal of 255287814040 is 40418782552.

It is a super-2 number, since 2×255287814040² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255287814049) 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, 455870817 + ... + 455871376.

It is an arithmetic number, because the mean of its divisors is an integer number (20514199365).

Almost surely, 2^255287814040 is an apocalyptic number.

255287814040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255287814040 is an abundant number, since it is smaller than the sum of its proper divisors (401166565640).

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

255287814040 is a wasteful number, since it uses less digits than its factorization.

255287814040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911742211 (or 911742207 counting only the distinct ones).

The product of its (nonzero) digits is 716800, while the sum is 46.

The spelling of 255287814040 in words is "two hundred fifty-five billion, two hundred eighty-seven million, eight hundred fourteen thousand, forty".