1057090450 has 48 divisors (see below), whose sum is σ = 2137363200. Its totient is φ = 386637120.

The previous prime is 1057090439. The next prime is 1057090453. The reversal of 1057090450 is 540907501.

It is a super-2 number, since 2×1057090450² = 2234880438962405000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1057090453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61951 + ... + 77149.

It is an arithmetic number, because the mean of its divisors is an integer number (44528400).

Almost surely, 2^1057090450 is an apocalyptic number.

1057090450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1057090450 is an abundant number, since it is smaller than the sum of its proper divisors (1080272750).

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

1057090450 is a wasteful number, since it uses less digits than its factorization.

1057090450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15331 (or 15326 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 1057090450 is about 32512.9274289474. The cubic root of 1057090450 is about 1018.6790699233.

Adding to 1057090450 its reverse (540907501), we get a palindrome (1597997951).

The spelling of 1057090450 in words is "one billion, fifty-seven million, ninety thousand, four hundred fifty".