2057923490 has 32 divisors (see below), whose sum is σ = 4237916544. Its totient is φ = 704828160.

The previous prime is 2057923489. The next prime is 2057923493. The reversal of 2057923490 is 943297502.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2057923493) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 53345 + ... + 83435.

It is an arithmetic number, because the mean of its divisors is an integer number (132434892).

Almost surely, 2^2057923490 is an apocalyptic number.

2057923490 is an abundant number, since it is smaller than the sum of its proper divisors (2179993054).

2057923490 is a wasteful number, since it uses less digits than its factorization.

2057923490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31082.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 2057923490 is about 45364.3416132098. The cubic root of 2057923490 is about 1271.9686519871.

The spelling of 2057923490 in words is "two billion, fifty-seven million, nine hundred twenty-three thousand, four hundred ninety".