2920638790 has 16 divisors (see below), whose sum is σ = 5282069040. Its totient is φ = 1162717920.

The previous prime is 2920638779. The next prime is 2920638839. The reversal of 2920638790 is 978360292.

It is a self number, because there is not a number n which added to its sum of digits gives 2920638790.

It is a congruent number.

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, 689985 + ... + 694204.

It is an arithmetic number, because the mean of its divisors is an integer number (330129315).

Almost surely, 2^2920638790 is an apocalyptic number.

2920638790 is a deficient number, since it is larger than the sum of its proper divisors (2361430250).

2920638790 is a wasteful number, since it uses less digits than its factorization.

2920638790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1384407.

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 2920638790 is about 54042.9346908548. The cubic root of 2920638790 is about 1429.4181194953.

The spelling of 2920638790 in words is "two billion, nine hundred twenty million, six hundred thirty-eight thousand, seven hundred ninety".