1144104440 has 32 divisors (see below), whose sum is σ = 2634104880. Its totient is φ = 446998272.

The previous prime is 1144104431. The next prime is 1144104443. The reversal of 1144104440 is 444014411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144104443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 330869 + ... + 334308.

Almost surely, 2^1144104440 is an apocalyptic number.

1144104440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1144104440 is an abundant number, since it is smaller than the sum of its proper divisors (1490000440).

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

1144104440 is a wasteful number, since it uses less digits than its factorization.

1144104440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665231 (or 665227 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 1144104440 is about 33824.6129320056. The cubic root of 1144104440 is about 1045.8961323256.

Adding to 1144104440 its reverse (444014411), we get a palindrome (1588118851).

The spelling of 1144104440 in words is "one billion, one hundred forty-four million, one hundred four thousand, four hundred forty".