2550640260 has 48 divisors (see below), whose sum is σ = 8162050176. Its totient is φ = 583003392.

The previous prime is 2550640249. The next prime is 2550640297. The reversal of 2550640260 is 620460552.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3036057 + ... + 3036896.

It is an arithmetic number, because the mean of its divisors is an integer number (170042712).

Almost surely, 2^2550640260 is an apocalyptic number.

2550640260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2550640260 is an abundant number, since it is smaller than the sum of its proper divisors (5611409916).

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

2550640260 is a wasteful number, since it uses less digits than its factorization.

2550640260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6072972 (or 6072970 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 2550640260 is about 50503.8638125837. The cubic root of 2550640260 is about 1366.3115411486.

The spelling of 2550640260 in words is "two billion, five hundred fifty million, six hundred forty thousand, two hundred sixty".