1043400044 has 24 divisors (see below), whose sum is σ = 1848646800. Its totient is φ = 515229440.

The previous prime is 1043399989. The next prime is 1043400053. The reversal of 1043400044 is 4400043401.

It is a junction number, because it is equal to n+sod(n) for n = 1043399989 and 1043400025.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 526247 + ... + 528225.

It is an arithmetic number, because the mean of its divisors is an integer number (77026950).

Almost surely, 2^1043400044 is an apocalyptic number.

It is an amenable number.

1043400044 is a deficient number, since it is larger than the sum of its proper divisors (805246756).

1043400044 is a wasteful number, since it uses less digits than its factorization.

1043400044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3553 (or 3551 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 1043400044 is about 32301.7034225751. The cubic root of 1043400044 is about 1014.2623010550.

Adding to 1043400044 its reverse (4400043401), we get a palindrome (5443443445).

The spelling of 1043400044 in words is "one billion, forty-three million, four hundred thousand, forty-four".