1104004240 has 80 divisors (see below), whose sum is σ = 2664115200. Its totient is φ = 425018880.

The previous prime is 1104004207. The next prime is 1104004243. The reversal of 1104004240 is 424004011.

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 (16).

It is not an unprimeable number, because it can be changed into a prime (1104004243) 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, 492402 + ... + 494638.

It is an arithmetic number, because the mean of its divisors is an integer number (33301440).

Almost surely, 2^1104004240 is an apocalyptic number.

1104004240 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 1104004240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1332057600).

1104004240 is an abundant number, since it is smaller than the sum of its proper divisors (1560110960).

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

1104004240 is a wasteful number, since it uses less digits than its factorization.

1104004240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2480 (or 2474 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 1104004240 is about 33226.5592561132. The cubic root of 1104004240 is about 1033.5311735890.

Adding to 1104004240 its reverse (424004011), we get a palindrome (1528008251).

The spelling of 1104004240 in words is "one billion, one hundred four million, four thousand, two hundred forty".