1057238672 has 40 divisors (see below), whose sum is σ = 2370681600. Its totient is φ = 447363072.

The previous prime is 1057238657. The next prime is 1057238711. The reversal of 1057238672 is 2768327501.

It is a super-2 number, since 2×1057238672² = 2235507219144647168, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50897 + ... + 68592.

It is an arithmetic number, because the mean of its divisors is an integer number (59267040).

Almost surely, 2^1057238672 is an apocalyptic number.

It is an amenable number.

1057238672 is an abundant number, since it is smaller than the sum of its proper divisors (1313442928).

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

1057238672 is a wasteful number, since it uses less digits than its factorization.

1057238672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119583 (or 119577 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 41.

The square root of 1057238672 is about 32515.2067808280. The cubic root of 1057238672 is about 1018.7266797226.

The spelling of 1057238672 in words is "one billion, fifty-seven million, two hundred thirty-eight thousand, six hundred seventy-two".