2057967990 has 48 divisors (see below), whose sum is σ = 5762313648. Its totient is φ = 506576448.

The previous prime is 2057967983. The next prime is 2057968007. The reversal of 2057967990 is 997697502.

2057967990 is a `hidden beast` number, since 2 + 0 + 579 + 67 + 9 + 9 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 878304 + ... + 880643.

It is an arithmetic number, because the mean of its divisors is an integer number (120048201).

Almost surely, 2^2057967990 is an apocalyptic number.

2057967990 is an abundant number, since it is smaller than the sum of its proper divisors (3704345658).

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

2057967990 is a wasteful number, since it uses less digits than its factorization.

2057967990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1758973 (or 1758970 counting only the distinct ones).

The product of its (nonzero) digits is 2143260, while the sum is 54.

The square root of 2057967990 is about 45364.8320838951. The cubic root of 2057967990 is about 1271.9778201603.

The spelling of 2057967990 in words is "two billion, fifty-seven million, nine hundred sixty-seven thousand, nine hundred ninety".