1044004000431 has 64 divisors (see below), whose sum is σ = 1692800778240. Its totient is φ = 559763239680.

The previous prime is 1044004000427. The next prime is 1044004000439. The reversal of 1044004000431 is 1340004004401.

It is not a de Polignac number, because 1044004000431 - 2² = 1044004000427 is a prime.

It is a super-2 number, since 2×1044004000431² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 1044004000398 and 1044004000407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1044004000439) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3114435 + ... + 3433323.

It is an arithmetic number, because the mean of its divisors is an integer number (26450012160).

Almost surely, 2^{1044004000431} is an apocalyptic number.

1044004000431 is a deficient number, since it is larger than the sum of its proper divisors (648796777809).

1044004000431 is a wasteful number, since it uses less digits than its factorization.

1044004000431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319084.

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

Adding to 1044004000431 its reverse (1340004004401), we get a palindrome (2384008004832).

The spelling of 1044004000431 in words is "one trillion, forty-four billion, four million, four hundred thirty-one", and thus it is an aban number.