1057944806 has 8 divisors (see below), whose sum is σ = 1588972464. Its totient is φ = 528287320.

The previous prime is 1057944791. The next prime is 1057944841. The reversal of 1057944806 is 6084497501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1057944806² = 2238494425084755272, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 340610 + ... + 343701.

It is an arithmetic number, because the mean of its divisors is an integer number (198621558).

Almost surely, 2^1057944806 is an apocalyptic number.

1057944806 is a deficient number, since it is larger than the sum of its proper divisors (531027658).

1057944806 is an equidigital number, since it uses as much as digits as its factorization.

1057944806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685086.

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 1057944806 is about 32526.0634876094. The cubic root of 1057944806 is about 1018.9534331416.

The spelling of 1057944806 in words is "one billion, fifty-seven million, nine hundred forty-four thousand, eight hundred six".