2550566780 has 24 divisors (see below), whose sum is σ = 5671261008. Its totient is φ = 960213248.

The previous prime is 2550566773. The next prime is 2550566789. The reversal of 2550566780 is 876650552.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2550566789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3750494 + ... + 3751173.

It is an arithmetic number, because the mean of its divisors is an integer number (236302542).

Almost surely, 2^2550566780 is an apocalyptic number.

2550566780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2550566780 is an abundant number, since it is smaller than the sum of its proper divisors (3120694228).

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

2550566780 is a wasteful number, since it uses less digits than its factorization.

2550566780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7501693 (or 7501691 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 44.

The square root of 2550566780 is about 50503.1363382513. The cubic root of 2550566780 is about 1366.2984205820.

The spelling of 2550566780 in words is "two billion, five hundred fifty million, five hundred sixty-six thousand, seven hundred eighty".