1000040044 has 6 divisors (see below), whose sum is σ = 1750070084. Its totient is φ = 500020020.

The previous prime is 1000040017. The next prime is 1000040059. The reversal of 1000040044 is 4400400001.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125005002 + ... + 125005009.

Almost surely, 2^1000040044 is an apocalyptic number.

It is an amenable number.

1000040044 is a deficient number, since it is larger than the sum of its proper divisors (750030040).

1000040044 is a wasteful number, since it uses less digits than its factorization.

1000040044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250010015 (or 250010013 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 1000040044 is about 31623.4097465786. The cubic root of 1000040044 is about 1000.0133478218.

Adding to 1000040044 its reverse (4400400001), we get a palindrome (5400440045).

The spelling of 1000040044 in words is "one billion, forty thousand, forty-four".