40023434044 has 24 divisors (see below), whose sum is σ = 76657287168. Its totient is φ = 18133205040.

The previous prime is 40023434041. The next prime is 40023434047. The reversal of 40023434044 is 44043432004.

It is an interprime number because it is at equal distance from previous prime (40023434041) and next prime (40023434047).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40023434041) 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, 1467964 + ... + 1494979.

It is an arithmetic number, because the mean of its divisors is an integer number (3194053632).

Almost surely, 2^40023434044 is an apocalyptic number.

40023434044 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

40023434044 is a deficient number, since it is larger than the sum of its proper divisors (36633853124).

40023434044 is a wasteful number, since it uses less digits than its factorization.

40023434044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2963265 (or 2963263 counting only the distinct ones).

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

Adding to 40023434044 its reverse (44043432004), we get a palindrome (84066866048).

The spelling of 40023434044 in words is "forty billion, twenty-three million, four hundred thirty-four thousand, forty-four".