40220243324 has 12 divisors (see below), whose sum is σ = 72655923648. Its totient is φ = 19461408000.

The previous prime is 40220243291. The next prime is 40220243333. The reversal of 40220243324 is 42334202204.

It is a happy number.

40220243324 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 40220243293 and 40220243302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162178277 + ... + 162178524.

It is an arithmetic number, because the mean of its divisors is an integer number (6054660304).

Almost surely, 2^40220243324 is an apocalyptic number.

It is an amenable number.

40220243324 is a deficient number, since it is larger than the sum of its proper divisors (32435680324).

40220243324 is a wasteful number, since it uses less digits than its factorization.

40220243324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324356836 (or 324356834 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 40220243324 its reverse (42334202204), we get a palindrome (82554445528).

The spelling of 40220243324 in words is "forty billion, two hundred twenty million, two hundred forty-three thousand, three hundred twenty-four".