255477051420 has 48 divisors (see below), whose sum is σ = 715512057120. Its totient is φ = 68110422016.

The previous prime is 255477051407. The next prime is 255477051421. The reversal of 255477051420 is 24150774552.

255477051420 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255477051421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 278325 + ... + 767084.

It is an arithmetic number, because the mean of its divisors is an integer number (14906501190).

Almost surely, 2^255477051420 is an apocalyptic number.

255477051420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255477051420 is an abundant number, since it is smaller than the sum of its proper divisors (460035005700).

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

255477051420 is a wasteful number, since it uses less digits than its factorization.

255477051420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1049494 (or 1049492 counting only the distinct ones).

The product of its (nonzero) digits is 392000, while the sum is 42.

The spelling of 255477051420 in words is "two hundred fifty-five billion, four hundred seventy-seven million, fifty-one thousand, four hundred twenty".