40000404044 has 12 divisors (see below), whose sum is σ = 70085975568. Its totient is φ = 19975839600.

The previous prime is 40000404019. The next prime is 40000404047. The reversal of 40000404044 is 44040400004.

It is not an unprimeable number, because it can be changed into a prime (40000404047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6086912 + ... + 6093479.

It is an arithmetic number, because the mean of its divisors is an integer number (5840497964).

Almost surely, 2^40000404044 is an apocalyptic number.

It is an amenable number.

40000404044 is a deficient number, since it is larger than the sum of its proper divisors (30085571524).

40000404044 is a wasteful number, since it uses less digits than its factorization.

40000404044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12181216 (or 12181214 counting only the distinct ones).

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

Adding to 40000404044 its reverse (44040400004), we get a palindrome (84040804048).

The spelling of 40000404044 in words is "forty billion, four hundred four thousand, forty-four".