1044403140 has 48 divisors (see below), whose sum is σ = 3190178880. Its totient is φ = 253188480.

The previous prime is 1044403081. The next prime is 1044403207. The reversal of 1044403140 is 413044401.

1044403140 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×1044403140⁴ (a number of 37 digits) contains 4444 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 790555 + ... + 791874.

It is an arithmetic number, because the mean of its divisors is an integer number (66462060).

Almost surely, 2^1044403140 is an apocalyptic number.

1044403140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1044403140 is an abundant number, since it is smaller than the sum of its proper divisors (2145775740).

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

1044403140 is a wasteful number, since it uses less digits than its factorization.

1044403140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1582452 (or 1582450 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1044403140 is about 32317.2266755673. The cubic root of 1044403140 is about 1014.5872248791.

Adding to 1044403140 its reverse (413044401), we get a palindrome (1457447541).

The spelling of 1044403140 in words is "one billion, forty-four million, four hundred three thousand, one hundred forty".