255584460540 has 48 divisors (see below), whose sum is σ = 740313614880. Its totient is φ = 65805653760.

The previous prime is 255584460517. The next prime is 255584460553. The reversal of 255584460540 is 45064485552.

It is a self number, because there is not a number n which added to its sum of digits gives 255584460540.

It is a congruent number.

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, 73442071 + ... + 73445550.

It is an arithmetic number, because the mean of its divisors is an integer number (15423200310).

Almost surely, 2^255584460540 is an apocalyptic number.

255584460540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255584460540 is an abundant number, since it is smaller than the sum of its proper divisors (484729154340).

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

255584460540 is a wasteful number, since it uses less digits than its factorization.

255584460540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146887662 (or 146887660 counting only the distinct ones).

The product of its (nonzero) digits is 3840000, while the sum is 48.

The spelling of 255584460540 in words is "two hundred fifty-five billion, five hundred eighty-four million, four hundred sixty thousand, five hundred forty".