1090273792 has 80 divisors (see below), whose sum is σ = 2279775960. Its totient is φ = 520224768.

The previous prime is 1090273787. The next prime is 1090273819. The reversal of 1090273792 is 2973720901.

It can be written as a sum of positive squares in 4 ways, for example, as 964475136 + 125798656 = 31056^2 + 11216^2 .

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, 1439878 + ... + 1440634.

Almost surely, 2^1090273792 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 1090273792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1139887980).

1090273792 is an abundant number, since it is smaller than the sum of its proper divisors (1189502168).

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

1090273792 is an frugal number, since it uses more digits than its factorization.

1090273792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 901 (or 885 counting only the distinct ones).

The product of its (nonzero) digits is 47628, while the sum is 40.

The square root of 1090273792 is about 33019.2942383692. The cubic root of 1090273792 is about 1029.2286278514.

The spelling of 1090273792 in words is "one billion, ninety million, two hundred seventy-three thousand, seven hundred ninety-two".