2779242990 has 32 divisors (see below), whose sum is σ = 6673828896. Its totient is φ = 740726400.

The previous prime is 2779242959. The next prime is 2779242997. The reversal of 2779242990 is 992429772.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2779242997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32664 + ... + 81396.

It is an arithmetic number, because the mean of its divisors is an integer number (208557153).

Almost surely, 2^2779242990 is an apocalyptic number.

2779242990 is an abundant number, since it is smaller than the sum of its proper divisors (3894585906).

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

2779242990 is a wasteful number, since it uses less digits than its factorization.

2779242990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50644.

The product of its (nonzero) digits is 1143072, while the sum is 51.

The square root of 2779242990 is about 52718.5260605795. The cubic root of 2779242990 is about 1405.9682269616.

The spelling of 2779242990 in words is "two billion, seven hundred seventy-nine million, two hundred forty-two thousand, nine hundred ninety".