2770640844 has 48 divisors (see below), whose sum is σ = 6689612160. Its totient is φ = 891918720.

The previous prime is 2770640833. The next prime is 2770640849. The reversal of 2770640844 is 4480460772.

2770640844 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2770640796 and 2770640805.

It is not an unprimeable number, because it can be changed into a prime (2770640849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15759 + ... + 76089.

It is an arithmetic number, because the mean of its divisors is an integer number (139366920).

Almost surely, 2^2770640844 is an apocalyptic number.

It is an amenable number.

2770640844 is an abundant number, since it is smaller than the sum of its proper divisors (3918971316).

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

2770640844 is a wasteful number, since it uses less digits than its factorization.

2770640844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60470 (or 60468 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 42.

The square root of 2770640844 is about 52636.8772250026. The cubic root of 2770640844 is about 1404.5161716838.

The spelling of 2770640844 in words is "two billion, seven hundred seventy million, six hundred forty thousand, eight hundred forty-four".