2790402990 has 64 divisors (see below), whose sum is σ = 6769170432. Its totient is φ = 736128000.

The previous prime is 2790402983. The next prime is 2790402991. The reversal of 2790402990 is 992040972.

2790402990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2790402991) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1226494 + ... + 1228766.

It is an arithmetic number, because the mean of its divisors is an integer number (105768288).

Almost surely, 2^2790402990 is an apocalyptic number.

2790402990 is an abundant number, since it is smaller than the sum of its proper divisors (3978767442).

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

2790402990 is a wasteful number, since it uses less digits than its factorization.

2790402990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2705.

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 2790402990 is about 52824.2651628965. The cubic root of 2790402990 is about 1407.8475936830.

The spelling of 2790402990 in words is "two billion, seven hundred ninety million, four hundred two thousand, nine hundred ninety".