1044040032 has 72 divisors (see below), whose sum is σ = 3393136656. Its totient is φ = 298296576.

The previous prime is 1044040021. The next prime is 1044040051. The reversal of 1044040032 is 2300404401.

1044040032 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 (72).

It is a super-2 number, since 2×1044040032² = 2180039176837122048, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 1044039987 and 1044040014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 256923 + ... + 260954.

It is an arithmetic number, because the mean of its divisors is an integer number (47126898).

Almost surely, 2^1044040032 is an apocalyptic number.

1044040032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1044040032 is an abundant number, since it is smaller than the sum of its proper divisors (2349096624).

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

1044040032 is a wasteful number, since it uses less digits than its factorization.

1044040032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517900 (or 517889 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 1044040032 is about 32311.6083165168. The cubic root of 1044040032 is about 1014.4696306199.

Adding to 1044040032 its reverse (2300404401), we get a palindrome (3344444433).

The spelling of 1044040032 in words is "one billion, forty-four million, forty thousand, thirty-two".