40044330424 has 32 divisors (see below), whose sum is σ = 85842482400. Its totient is φ = 17155215360.

The previous prime is 40044330379. The next prime is 40044330427. The reversal of 40044330424 is 42403344004.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 40044330392 and 40044330401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40044330427) 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, 9064 + ... + 283144.

It is an arithmetic number, because the mean of its divisors is an integer number (2682577575).

Almost surely, 2^40044330424 is an apocalyptic number.

It is an amenable number.

40044330424 is an abundant number, since it is smaller than the sum of its proper divisors (45798151976).

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

40044330424 is a wasteful number, since it uses less digits than its factorization.

40044330424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276703 (or 276699 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 40044330424 its reverse (42403344004), we get a palindrome (82447674428).

The spelling of 40044330424 in words is "forty billion, forty-four million, three hundred thirty thousand, four hundred twenty-four".