255493788380 has 48 divisors (see below), whose sum is σ = 537556279680. Its totient is φ = 102003514368.

The previous prime is 255493788377. The next prime is 255493788383. The reversal of 255493788380 is 83887394552.

It is an interprime number because it is at equal distance from previous prime (255493788377) and next prime (255493788383).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255493788383) 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, 41655794 + ... + 41661926.

It is an arithmetic number, because the mean of its divisors is an integer number (11199089160).

Almost surely, 2^255493788380 is an apocalyptic number.

255493788380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255493788380 is an abundant number, since it is smaller than the sum of its proper divisors (282062491300).

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

255493788380 is a wasteful number, since it uses less digits than its factorization.

255493788380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9758 (or 9756 counting only the distinct ones).

The product of its (nonzero) digits is 58060800, while the sum is 62.

The spelling of 255493788380 in words is "two hundred fifty-five billion, four hundred ninety-three million, seven hundred eighty-eight thousand, three hundred eighty".