1044140042 has 8 divisors (see below), whose sum is σ = 1708592832. Its totient is φ = 474609100.

The previous prime is 1044140023. The next prime is 1044140059. The reversal of 1044140042 is 2400414401.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1044139996 and 1044140023.

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 3 ways as a sum of consecutive naturals, for example, 23730434 + ... + 23730477.

It is an arithmetic number, because the mean of its divisors is an integer number (213574104).

Almost surely, 2^1044140042 is an apocalyptic number.

1044140042 is a deficient number, since it is larger than the sum of its proper divisors (664452790).

1044140042 is a wasteful number, since it uses less digits than its factorization.

1044140042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47460924.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 1044140042 is about 32313.1558656842. The cubic root of 1044140042 is about 1014.5020220561.

Adding to 1044140042 its reverse (2400414401), we get a palindrome (3444554443).

The spelling of 1044140042 in words is "one billion, forty-four million, one hundred forty thousand, forty-two".