255484440620 has 48 divisors (see below), whose sum is σ = 549693799200. Its totient is φ = 99684794880.

The previous prime is 255484440599. The next prime is 255484440623. The reversal of 255484440620 is 26044484552.

255484440620 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (255484440623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5733386 + ... + 5777774.

It is an arithmetic number, because the mean of its divisors is an integer number (11451954150).

Almost surely, 2^255484440620 is an apocalyptic number.

255484440620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255484440620 is an abundant number, since it is smaller than the sum of its proper divisors (294209358580).

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

255484440620 is a wasteful number, since it uses less digits than its factorization.

255484440620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51458 (or 51456 counting only the distinct ones).

The product of its (nonzero) digits is 1228800, while the sum is 44.

The spelling of 255484440620 in words is "two hundred fifty-five billion, four hundred eighty-four million, four hundred forty thousand, six hundred twenty".