40043223024 has 80 divisors (see below), whose sum is σ = 118504081920. Its totient is φ = 11413704960.

The previous prime is 40043223023. The next prime is 40043223049. The reversal of 40043223024 is 42032234004.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 40043222985 and 40043223003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40043223023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84 + ... + 282995.

It is an arithmetic number, because the mean of its divisors is an integer number (1481301024).

Almost surely, 2^40043223024 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40043223024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59252040960).

40043223024 is an abundant number, since it is smaller than the sum of its proper divisors (78460858896).

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

40043223024 is a wasteful number, since it uses less digits than its factorization.

40043223024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283518 (or 283512 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

Adding to 40043223024 its reverse (42032234004), we get a palindrome (82075457028).

The spelling of 40043223024 in words is "forty billion, forty-three million, two hundred twenty-three thousand, twenty-four".