2800375640 has 32 divisors (see below), whose sum is σ = 6319572480. Its totient is φ = 1116820992.

The previous prime is 2800375637. The next prime is 2800375657. The reversal of 2800375640 is 465730082.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2800375640.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90392 + ... + 117351.

It is an arithmetic number, because the mean of its divisors is an integer number (197486640).

Almost surely, 2^2800375640 is an apocalyptic number.

2800375640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2800375640 is an abundant number, since it is smaller than the sum of its proper divisors (3519196840).

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

2800375640 is a wasteful number, since it uses less digits than its factorization.

2800375640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208091 (or 208087 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 2800375640 is about 52918.5755666193. The cubic root of 2800375640 is about 1409.5227732921.

The spelling of 2800375640 in words is "two billion, eight hundred million, three hundred seventy-five thousand, six hundred forty".