1057620860 has 48 divisors (see below), whose sum is σ = 2257016832. Its totient is φ = 416232000.

The previous prime is 1057620857. The next prime is 1057620869. The reversal of 1057620860 is 680267501.

1057620860 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1057620860² = 2237123767014279200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1057620860.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057620869) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 448685 + ... + 451035.

It is an arithmetic number, because the mean of its divisors is an integer number (47021184).

Almost surely, 2^1057620860 is an apocalyptic number.

1057620860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1057620860 is an abundant number, since it is smaller than the sum of its proper divisors (1199395972).

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

1057620860 is a wasteful number, since it uses less digits than its factorization.

1057620860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2714 (or 2712 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 1057620860 is about 32521.0833152895. The cubic root of 1057620860 is about 1018.8494202845.

The spelling of 1057620860 in words is "one billion, fifty-seven million, six hundred twenty thousand, eight hundred sixty".