1057245660 has 36 divisors (see below), whose sum is σ = 3206979048. Its totient is φ = 281932128.

The previous prime is 1057245647. The next prime is 1057245661. The reversal of 1057245660 is 665427501.

It is a happy number.

1057245660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1057245660² = 2235536771177671200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057245661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2936614 + ... + 2936973.

Almost surely, 2^1057245660 is an apocalyptic number.

1057245660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1057245660 is an abundant number, since it is smaller than the sum of its proper divisors (2149733388).

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

1057245660 is a wasteful number, since it uses less digits than its factorization.

1057245660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5873602 (or 5873597 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 1057245660 is about 32515.3142380633. The cubic root of 1057245660 is about 1018.7289242005.

The spelling of 1057245660 in words is "one billion, fifty-seven million, two hundred forty-five thousand, six hundred sixty".