255476940 has 24 divisors (see below), whose sum is σ = 715335600. Its totient is φ = 68127168.

The previous prime is 255476933. The next prime is 255476941. The reversal of 255476940 is 49674552.

255476940 is digitally balanced in base 2, 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 = 255476892 and 255476901.

It is not an unprimeable number, because it can be changed into a prime (255476941) 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, 2128915 + ... + 2129034.

It is an arithmetic number, because the mean of its divisors is an integer number (29805650).

Almost surely, 2^255476940 is an apocalyptic number.

255476940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255476940 is an abundant number, since it is smaller than the sum of its proper divisors (459858660).

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

255476940 is a wasteful number, since it uses less digits than its factorization.

255476940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4257961 (or 4257959 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 42.

The square root of 255476940 is about 15983.6460171014. The cubic root of 255476940 is about 634.5276748854.

The spelling of 255476940 in words is "two hundred fifty-five million, four hundred seventy-six thousand, nine hundred forty".