40000440044 has 6 divisors (see below), whose sum is σ = 70000770084. Its totient is φ = 20000220020.

The previous prime is 40000440017. The next prime is 40000440047. The reversal of 40000440044 is 44004400004.

40000440044 is a modest number, since divided by 440044 gives 400 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 40000439998 and 40000440025.

It is not an unprimeable number, because it can be changed into a prime (40000440047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000055002 + ... + 5000055009.

It is an arithmetic number, because the mean of its divisors is an integer number (11666795014).

Almost surely, 2^40000440044 is an apocalyptic number.

It is an amenable number.

40000440044 is a deficient number, since it is larger than the sum of its proper divisors (30000330040).

40000440044 is a wasteful number, since it uses less digits than its factorization.

40000440044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10000110015 (or 10000110013 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 40000440044 its reverse (44004400004), we get a palindrome (84004840048).

The spelling of 40000440044 in words is "forty billion, four hundred forty thousand, forty-four".