1057860140 has 12 divisors (see below), whose sum is σ = 2221506336. Its totient is φ = 423144048.

The previous prime is 1057860113. The next prime is 1057860203. The reversal of 1057860140 is 410687501.

It is a happy number.

It is a super-2 number, since 2×1057860140² = 2238136151601639200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1057860097 and 1057860106.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26446484 + ... + 26446523.

It is an arithmetic number, because the mean of its divisors is an integer number (185125528).

Almost surely, 2^1057860140 is an apocalyptic number.

1057860140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1057860140 is an abundant number, since it is smaller than the sum of its proper divisors (1163646196).

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

1057860140 is a wasteful number, since it uses less digits than its factorization.

1057860140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52893016 (or 52893014 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 1057860140 is about 32524.7619514732. The cubic root of 1057860140 is about 1018.9262505601.

The spelling of 1057860140 in words is "one billion, fifty-seven million, eight hundred sixty thousand, one hundred forty".