40244404004 has 24 divisors (see below), whose sum is σ = 80905859328. Its totient is φ = 17158233600.

The previous prime is 40244403973. The next prime is 40244404009. The reversal of 40244404004 is 40040444204.

It is a happy number.

40244404004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40244404004² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40244404009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3718172 + ... + 3728979.

It is an arithmetic number, because the mean of its divisors is an integer number (3371077472).

Almost surely, 2^40244404004 is an apocalyptic number.

It is an amenable number.

40244404004 is an abundant number, since it is smaller than the sum of its proper divisors (40661455324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40244404004 is a wasteful number, since it uses less digits than its factorization.

40244404004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7447355 (or 7447353 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 40244404004 its reverse (40040444204), we get a palindrome (80284848208).

The spelling of 40244404004 in words is "forty billion, two hundred forty-four million, four hundred four thousand, four".