1057841626 has 16 divisors (see below), whose sum is σ = 1707647400. Its totient is φ = 489646080.

The previous prime is 1057841623. The next prime is 1057841639. The reversal of 1057841626 is 6261487501.

It can be written as a sum of positive squares in 4 ways, for example, as 762036025 + 295805601 = 27605^2 + 17199^2 .

It is a super-2 number, since 2×1057841626² = 2238057811396647752, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1057841623) 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 7 ways as a sum of consecutive naturals, for example, 252951 + ... + 257098.

Almost surely, 2^1057841626 is an apocalyptic number.

1057841626 is a deficient number, since it is larger than the sum of its proper divisors (649805774).

1057841626 is a wasteful number, since it uses less digits than its factorization.

1057841626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510129.

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 1057841626 is about 32524.4773363078. The cubic root of 1057841626 is about 1018.9203063242.

The spelling of 1057841626 in words is "one billion, fifty-seven million, eight hundred forty-one thousand, six hundred twenty-six".