2090856988 has 24 divisors (see below), whose sum is σ = 3993527664. Its totient is φ = 949939200.

The previous prime is 2090856949. The next prime is 2090856997. The reversal of 2090856988 is 8896580902.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 93628 + ... + 113788.

It is an arithmetic number, because the mean of its divisors is an integer number (166396986).

Almost surely, 2^2090856988 is an apocalyptic number.

It is an amenable number.

2090856988 is a deficient number, since it is larger than the sum of its proper divisors (1902670676).

2090856988 is a wasteful number, since it uses less digits than its factorization.

2090856988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22533 (or 22531 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 55.

The square root of 2090856988 is about 45725.8896906337. The cubic root of 2090856988 is about 1278.7179929414.

The spelling of 2090856988 in words is "two billion, ninety million, eight hundred fifty-six thousand, nine hundred eighty-eight".