1090019328 has 112 divisors (see below), whose sum is σ = 3078693360. Its totient is φ = 341835776.

The previous prime is 1090019323. The next prime is 1090019351. The reversal of 1090019328 is 8239100901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1090019323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 416488 + ... + 419096.

Almost surely, 2^1090019328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1090019328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1539346680).

1090019328 is an abundant number, since it is smaller than the sum of its proper divisors (1988674032).

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

1090019328 is an equidigital number, since it uses as much as digits as its factorization.

1090019328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2655 (or 2631 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 1090019328 is about 33015.4407512606. The cubic root of 1090019328 is about 1029.1485494914.

The spelling of 1090019328 in words is "one billion, ninety million, nineteen thousand, three hundred twenty-eight".