1104432290 has 32 divisors (see below), whose sum is σ = 2142500976. Its totient is φ = 407485440.

The previous prime is 1104432157. The next prime is 1104432299. The reversal of 1104432290 is 922344011.

It is a Cunningham number, because it is equal to 33233²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 426298609 + 678133681 = 20647^2 + 26041^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (1104432299) 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, 246470 + ... + 250910.

Almost surely, 2^1104432290 is an apocalyptic number.

1104432290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1104432290 is a deficient number, since it is larger than the sum of its proper divisors (1038068686).

1104432290 is a wasteful number, since it uses less digits than its factorization.

1104432290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6374.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 1104432290 is about 33233.0000150453. Note that the first 4 decimals coincide. The cubic root of 1104432290 is about 1033.6647316069.

It can be divided in two parts, 11044 and 32290, that added together give a palindrome (43334).

The spelling of 1104432290 in words is "one billion, one hundred four million, four hundred thirty-two thousand, two hundred ninety".