2555631650 has 48 divisors (see below), whose sum is σ = 5584517568. Its totient is φ = 857832000.

The previous prime is 2555631643. The next prime is 2555631653. The reversal of 2555631650 is 561365552.

It is not an unprimeable number, because it can be changed into a prime (2555631653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 171566 + ... + 185865.

It is an arithmetic number, because the mean of its divisors is an integer number (116344116).

Almost surely, 2^2555631650 is an apocalyptic number.

2555631650 is an abundant number, since it is smaller than the sum of its proper divisors (3028885918).

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

2555631650 is a wasteful number, since it uses less digits than its factorization.

2555631650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357467 (or 357462 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 38.

The square root of 2555631650 is about 50553.2555826032. The cubic root of 2555631650 is about 1367.2022129421.

The spelling of 2555631650 in words is "two billion, five hundred fifty-five million, six hundred thirty-one thousand, six hundred fifty".