1057994810 has 16 divisors (see below), whose sum is σ = 1906439976. Its totient is φ = 422742528.

The previous prime is 1057994771. The next prime is 1057994827. The reversal of 1057994810 is 184997501.

It can be written as a sum of positive squares in 4 ways, for example, as 752898721 + 305096089 = 27439^2 + 17467^2 .

It is a super-2 number, since 2×1057994810² = 2238706035973872200, which contains 22 as substring.

It is a Curzon 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, 47087 + ... + 65826.

Almost surely, 2^1057994810 is an apocalyptic number.

1057994810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1057994810 is a deficient number, since it is larger than the sum of its proper divisors (848445166).

1057994810 is a wasteful number, since it uses less digits than its factorization.

1057994810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113857.

The product of its (nonzero) digits is 90720, while the sum is 44.

The square root of 1057994810 is about 32526.8321543922. The cubic root of 1057994810 is about 1018.9694865767.

The spelling of 1057994810 in words is "one billion, fifty-seven million, nine hundred ninety-four thousand, eight hundred ten".