1104440220 has 144 divisors (see below), whose sum is σ = 3764884032. Its totient is φ = 260029440.

The previous prime is 1104440177. The next prime is 1104440231. The reversal of 1104440220 is 220444011.

1104440220 is a `hidden beast` number, since 1 + 1 + 0 + 4 + 440 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1104440193 and 1104440202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 43560 + ... + 64080.

It is an arithmetic number, because the mean of its divisors is an integer number (26145028).

Almost surely, 2^1104440220 is an apocalyptic number.

1104440220 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 1104440220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1882442016).

1104440220 is an abundant number, since it is smaller than the sum of its proper divisors (2660443812).

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

1104440220 is a wasteful number, since it uses less digits than its factorization.

1104440220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20572 (or 20567 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 1104440220 is about 33233.1193239515. The cubic root of 1104440220 is about 1033.6672055602.

Adding to 1104440220 its reverse (220444011), we get a palindrome (1324884231).

The spelling of 1104440220 in words is "one billion, one hundred four million, four hundred forty thousand, two hundred twenty".