1057768542 has 24 divisors (see below), whose sum is σ = 2292751344. Its totient is φ = 352448064.

The previous prime is 1057768493. The next prime is 1057768549. The reversal of 1057768542 is 2458677501.

1057768542 is a `hidden beast` number, since 10 + 577 + 68 + 5 + 4 + 2 = 666.

1057768542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1057768542² = 2237748576889611528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057768549) 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, 40623 + ... + 61365.

It is an arithmetic number, because the mean of its divisors is an integer number (95531306).

Almost surely, 2^1057768542 is an apocalyptic number.

1057768542 is an abundant number, since it is smaller than the sum of its proper divisors (1234982802).

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

1057768542 is a wasteful number, since it uses less digits than its factorization.

1057768542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23584 (or 23581 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 45.

The square root of 1057768542 is about 32523.3537938510. The cubic root of 1057768542 is about 1018.8968407805.

The spelling of 1057768542 in words is "one billion, fifty-seven million, seven hundred sixty-eight thousand, five hundred forty-two".