1090912256 has 144 divisors (see below), whose sum is σ = 2642401440. Its totient is φ = 440401920.

The previous prime is 1090912247. The next prime is 1090912307. The reversal of 1090912256 is 6522190901.

It is a congruent 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, 26607596 + ... + 26607636.

It is an arithmetic number, because the mean of its divisors is an integer number (18350010).

Almost surely, 2^1090912256 is an apocalyptic number.

1090912256 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 1090912256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1321200720).

1090912256 is an abundant number, since it is smaller than the sum of its proper divisors (1551489184).

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

1090912256 is an frugal number, since it uses more digits than its factorization.

1090912256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111 (or 79 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 1090912256 is about 33028.9608676991. The cubic root of 1090912256 is about 1029.4294939710.

The spelling of 1090912256 in words is "one billion, ninety million, nine hundred twelve thousand, two hundred fifty-six".