2555289380 has 48 divisors (see below), whose sum is σ = 6493447296. Its totient is φ = 824563200.

The previous prime is 2555289379. The next prime is 2555289427. The reversal of 2555289380 is 839825552.

It is a happy number.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

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, 534446 + ... + 539205.

It is an arithmetic number, because the mean of its divisors is an integer number (135280152).

Almost surely, 2^2555289380 is an apocalyptic number.

2555289380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2555289380 is an abundant number, since it is smaller than the sum of its proper divisors (3938157916).

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

2555289380 is a wasteful number, since it uses less digits than its factorization.

2555289380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1073684 (or 1073682 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 47.

The square root of 2555289380 is about 50549.8702273310. The cubic root of 2555289380 is about 1367.1411747778.

The spelling of 2555289380 in words is "two billion, five hundred fifty-five million, two hundred eighty-nine thousand, three hundred eighty".