1057890039790 has 64 divisors (see below), whose sum is σ = 2079007269696. Its totient is φ = 386041956352.

The previous prime is 1057890039779. The next prime is 1057890039859. The reversal of 1057890039790 is 979300987501.

It is a happy number.

It is a super-2 number, since 2×1057890039790² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40524 + ... + 1455136.

It is an arithmetic number, because the mean of its divisors is an integer number (32484488589).

Almost surely, 2^{1057890039790} is an apocalyptic number.

1057890039790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1057890039790 is a deficient number, since it is larger than the sum of its proper divisors (1021117229906).

1057890039790 is a wasteful number, since it uses less digits than its factorization.

1057890039790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1414773.

The product of its (nonzero) digits is 4286520, while the sum is 58.

The spelling of 1057890039790 in words is "one trillion, fifty-seven billion, eight hundred ninety million, thirty-nine thousand, seven hundred ninety".