255630710040 has 128 divisors (see below), whose sum is σ = 769409625600. Its totient is φ = 67944729600.

The previous prime is 255630710039. The next prime is 255630710053. The reversal of 255630710040 is 40017036552.

255630710040 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 255630709983 and 255630710010.

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, 100206765 + ... + 100209315.

It is an arithmetic number, because the mean of its divisors is an integer number (6011012700).

Almost surely, 2^255630710040 is an apocalyptic number.

255630710040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255630710040 is an abundant number, since it is smaller than the sum of its proper divisors (513778915560).

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

255630710040 is a wasteful number, since it uses less digits than its factorization.

255630710040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4977 (or 4973 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 33.

Adding to 255630710040 its reverse (40017036552), we get a palindrome (295647746592).

The spelling of 255630710040 in words is "two hundred fifty-five billion, six hundred thirty million, seven hundred ten thousand, forty".