40404040364 has 12 divisors (see below), whose sum is σ = 70937388984. Its totient is φ = 20136214944.

The previous prime is 40404040363. The next prime is 40404040381. The reversal of 40404040364 is 46304040404.

It is not an unprimeable number, because it can be changed into a prime (40404040363) 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, 16449929 + ... + 16452384.

It is an arithmetic number, because the mean of its divisors is an integer number (5911449082).

Almost surely, 2^40404040364 is an apocalyptic number.

It is an amenable number.

40404040364 is a deficient number, since it is larger than the sum of its proper divisors (30533348620).

40404040364 is a wasteful number, since it uses less digits than its factorization.

40404040364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32902624 (or 32902622 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 40404040364 its reverse (46304040404), we get a palindrome (86708080768).

It can be divided in two parts, 4040 and 4040364, that added together give a palindrome (4044404).

The spelling of 40404040364 in words is "forty billion, four hundred four million, forty thousand, three hundred sixty-four".