2562205668 has 24 divisors (see below), whose sum is σ = 6521978400. Its totient is φ = 776425920.

The previous prime is 2562205619. The next prime is 2562205687. The reversal of 2562205668 is 8665022652.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9705193 + ... + 9705456.

It is an arithmetic number, because the mean of its divisors is an integer number (271749100).

Almost surely, 2^2562205668 is an apocalyptic number.

It is an amenable number.

2562205668 is an abundant number, since it is smaller than the sum of its proper divisors (3959772732).

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

2562205668 is a wasteful number, since it uses less digits than its factorization.

2562205668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19410667 (or 19410665 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 42.

The square root of 2562205668 is about 50618.2345405290. The cubic root of 2562205668 is about 1368.3735236480.

The spelling of 2562205668 in words is "two billion, five hundred sixty-two million, two hundred five thousand, six hundred sixty-eight".