1109672592 has 80 divisors (see below), whose sum is σ = 3284075520. Its totient is φ = 316285056.

The previous prime is 1109672591. The next prime is 1109672609. The reversal of 1109672592 is 2952769011.

It is a super-2 number, since 2×1109672592² = 2462746522871996928, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (1109672591) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143743 + ... + 151265.

It is an arithmetic number, because the mean of its divisors is an integer number (41050944).

Almost surely, 2^1109672592 is an apocalyptic number.

1109672592 is a gapful number since it is divisible by the number (12) 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 1109672592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1642037760).

1109672592 is an abundant number, since it is smaller than the sum of its proper divisors (2174402928).

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

1109672592 is a wasteful number, since it uses less digits than its factorization.

1109672592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7980 (or 7974 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 42.

The square root of 1109672592 is about 33311.7485581289. The cubic root of 1109672592 is about 1035.2969942808.

The spelling of 1109672592 in words is "one billion, one hundred nine million, six hundred seventy-two thousand, five hundred ninety-two".