1057388750 has 60 divisors (see below), whose sum is σ = 2178840048. Its totient is φ = 384450000.

The previous prime is 1057388719. The next prime is 1057388753. The reversal of 1057388750 is 578837501.

It is a super-2 number, since 2×1057388750² = 2236141937253125000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057388753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 147755 + ... + 154745.

Almost surely, 2^1057388750 is an apocalyptic number.

1057388750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1057388750 is an abundant number, since it is smaller than the sum of its proper divisors (1121451298).

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

1057388750 is an equidigital number, since it uses as much as digits as its factorization.

1057388750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7035 (or 7009 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 44.

The square root of 1057388750 is about 32517.5145114137. The cubic root of 1057388750 is about 1018.7748811467.

The spelling of 1057388750 in words is "one billion, fifty-seven million, three hundred eighty-eight thousand, seven hundred fifty".