1092323840 has 80 divisors (see below), whose sum is σ = 2680194528. Its totient is φ = 426725376.

The previous prime is 1092323839. The next prime is 1092323849. The reversal of 1092323840 is 483232901.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 1092323797 and 1092323806.

It is not an unprimeable number, because it can be changed into a prime (1092323849) 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, 105119 + ... + 115041.

Almost surely, 2^1092323840 is an apocalyptic number.

1092323840 is a gapful number since it is divisible by the number (10) 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 1092323840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1340097264).

1092323840 is an abundant number, since it is smaller than the sum of its proper divisors (1587870688).

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

1092323840 is an frugal number, since it uses more digits than its factorization.

1092323840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9989 (or 9973 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 1092323840 is about 33050.3228425987. The cubic root of 1092323840 is about 1029.8733120960.

The spelling of 1092323840 in words is "one billion, ninety-two million, three hundred twenty-three thousand, eight hundred forty".