1057890816 has 240 divisors, whose sum is σ = 3300279840. Its totient is φ = 325140480.

The previous prime is 1057890761. The next prime is 1057890829. The reversal of 1057890816 is 6180987501.

It is a super-2 number, since 2×1057890816² = 2238265957154291712, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3764596 + ... + 3764876.

It is an arithmetic number, because the mean of its divisors is an integer number (13751166).

Almost surely, 2^1057890816 is an apocalyptic number.

1057890816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1057890816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1650139920).

1057890816 is an abundant number, since it is smaller than the sum of its proper divisors (2242389024).

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

1057890816 is a wasteful number, since it uses less digits than its factorization.

1057890816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367 (or 348 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 45.

The square root of 1057890816 is about 32525.2335272170. The cubic root of 1057890816 is about 1018.9360994611.

The spelling of 1057890816 in words is "one billion, fifty-seven million, eight hundred ninety thousand, eight hundred sixteen".