1044140400 has 90 divisors (see below), whose sum is σ = 3623469720. Its totient is φ = 278436480.

The previous prime is 1044140369. The next prime is 1044140423. The reversal of 1044140400 is 40414401.

1044140400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (90).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 141420 + ... + 148619.

Almost surely, 2^1044140400 is an apocalyptic number.

1044140400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1044140400 is an abundant number, since it is smaller than the sum of its proper divisors (2579329320).

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

1044140400 is a wasteful number, since it uses less digits than its factorization.

1044140400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290063 (or 290049 counting only the distinct ones).

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

The square root of 1044140400 is about 32313.1614052231. The cubic root of 1044140400 is about 1014.5021380021.

Adding to 1044140400 its reverse (40414401), we get a palindrome (1084554801).

The spelling of 1044140400 in words is "one billion, forty-four million, one hundred forty thousand, four hundred".