1100404144 has 20 divisors (see below), whose sum is σ = 2436609424. Its totient is φ = 471601728.

The previous prime is 1100404069. The next prime is 1100404153. The reversal of 1100404144 is 4414040011.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4912407 + ... + 4912630.

Almost surely, 2^1100404144 is an apocalyptic number.

1100404144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1100404144 is an abundant number, since it is smaller than the sum of its proper divisors (1336205280).

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

1100404144 is an equidigital number, since it uses as much as digits as its factorization.

1100404144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9825052 (or 9825046 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 1100404144 is about 33172.3400440789. The cubic root of 1100404144 is about 1032.4065211331.

Adding to 1100404144 its reverse (4414040011), we get a palindrome (5514444155).

The spelling of 1100404144 in words is "one billion, one hundred million, four hundred four thousand, one hundred forty-four".