1109363472 has 80 divisors (see below), whose sum is σ = 3639191680. Its totient is φ = 316960128.

The previous prime is 1109363471. The next prime is 1109363483. The reversal of 1109363472 is 2743639011.

1109363472 is a `hidden beast` number, since 1 + 10 + 9 + 3 + 634 + 7 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1109363471) 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, 180403 + ... + 186450.

It is an arithmetic number, because the mean of its divisors is an integer number (45489896).

Almost surely, 2^1109363472 is an apocalyptic number.

1109363472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1109363472 is an abundant number, since it is smaller than the sum of its proper divisors (2529828208).

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

1109363472 is a wasteful number, since it uses less digits than its factorization.

1109363472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366877 (or 366865 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 1109363472 is about 33307.1084304837. The cubic root of 1109363472 is about 1035.2008515895.

The spelling of 1109363472 in words is "one billion, one hundred nine million, three hundred sixty-three thousand, four hundred seventy-two".