1104145440 has 96 divisors (see below), whose sum is σ = 3525814656. Its totient is φ = 290396160.

The previous prime is 1104145439. The next prime is 1104145447. The reversal of 1104145440 is 445414011.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1104145440.

It is not an unprimeable number, because it can be changed into a prime (1104145447) 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, 19285 + ... + 50795.

It is an arithmetic number, because the mean of its divisors is an integer number (36727236).

Almost surely, 2^1104145440 is an apocalyptic number.

1104145440 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 1104145440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1762907328).

1104145440 is an abundant number, since it is smaller than the sum of its proper divisors (2421669216).

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

1104145440 is a wasteful number, since it uses less digits than its factorization.

1104145440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31602 (or 31594 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 1104145440 is about 33228.6839944046. The cubic root of 1104145440 is about 1033.5752339211.

Adding to 1104145440 its reverse (445414011), we get a palindrome (1549559451).

The spelling of 1104145440 in words is "one billion, one hundred four million, one hundred forty-five thousand, four hundred forty".