255542540 has 48 divisors (see below), whose sum is σ = 586613664. Its totient is φ = 92736000.

The previous prime is 255542531. The next prime is 255542569. The reversal of 255542540 is 45245552.

255542540 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 = 255542497 and 255542506.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153392 + ... + 155048.

It is an arithmetic number, because the mean of its divisors is an integer number (12221118).

Almost surely, 2^255542540 is an apocalyptic number.

255542540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255542540 is an abundant number, since it is smaller than the sum of its proper divisors (331071124).

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

255542540 is a wasteful number, since it uses less digits than its factorization.

255542540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2378 (or 2376 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 32.

The square root of 255542540 is about 15985.6979828846. The cubic root of 255542540 is about 634.5819804432.

The spelling of 255542540 in words is "two hundred fifty-five million, five hundred forty-two thousand, five hundred forty".