1057681840960 has 56 divisors (see below), whose sum is σ = 2666758125960. Its totient is φ = 398186102784.

The previous prime is 1057681840949. The next prime is 1057681841053. The reversal of 1057681840960 is 690481867501.

It can be written as a sum of positive squares in 4 ways, for example, as 74585794816 + 983096046144 = 273104^2 + 991512^2 .

It is a super-2 number, since 2×1057681840960² (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 7 ways as a sum of consecutive naturals, for example, 97207965 + ... + 97218844.

Almost surely, 2^{1057681840960} is an apocalyptic number.

1057681840960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1057681840960 is an abundant number, since it is smaller than the sum of its proper divisors (1609076285000).

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

1057681840960 is a wasteful number, since it uses less digits than its factorization.

1057681840960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194426843 (or 194426833 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 55.

The spelling of 1057681840960 in words is "one trillion, fifty-seven billion, six hundred eighty-one million, eight hundred forty thousand, nine hundred sixty".