1044400042 has 16 divisors (see below), whose sum is σ = 1794398400. Its totient is φ = 446600448.

The previous prime is 1044400009. The next prime is 1044400043. The reversal of 1044400042 is 2400044401.

It is a junction number, because it is equal to n+sod(n) for n = 1044399992 and 1044400019.

It is not an unprimeable number, because it can be changed into a prime (1044400043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76788 + ... + 89359.

It is an arithmetic number, because the mean of its divisors is an integer number (112149900).

Almost surely, 2^1044400042 is an apocalyptic number.

1044400042 is a deficient number, since it is larger than the sum of its proper divisors (749998358).

1044400042 is a wasteful number, since it uses less digits than its factorization.

1044400042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166605.

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 1044400042 is about 32317.1787444387. The cubic root of 1044400042 is about 1014.5862216923.

Adding to 1044400042 its reverse (2400044401), we get a palindrome (3444444443).

The spelling of 1044400042 in words is "one billion, forty-four million, four hundred thousand, forty-two".