1057059644 has 24 divisors (see below), whose sum is σ = 1879920000. Its totient is φ = 519971760.

The previous prime is 1057059629. The next prime is 1057059673. The reversal of 1057059644 is 4469507501.

It is a super-2 number, since 2×1057059644² = 2234750181946813472, which 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, 137987 + ... + 145445.

It is an arithmetic number, because the mean of its divisors is an integer number (78330000).

Almost surely, 2^1057059644 is an apocalyptic number.

It is an amenable number.

1057059644 is a deficient number, since it is larger than the sum of its proper divisors (822860356).

1057059644 is a wasteful number, since it uses less digits than its factorization.

1057059644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8033 (or 8031 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 41.

The square root of 1057059644 is about 32512.4536754764. The cubic root of 1057059644 is about 1018.6691742919.

The spelling of 1057059644 in words is "one billion, fifty-seven million, fifty-nine thousand, six hundred forty-four".