40423313332 has 12 divisors (see below), whose sum is σ = 70764313536. Its totient is φ = 20204938040.

The previous prime is 40423313291. The next prime is 40423313339. The reversal of 40423313332 is 23331332404.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 40423313332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40423313339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1666108 + ... + 1690195.

It is an arithmetic number, because the mean of its divisors is an integer number (5897026128).

Almost surely, 2^40423313332 is an apocalyptic number.

It is an amenable number.

40423313332 is a deficient number, since it is larger than the sum of its proper divisors (30341000204).

40423313332 is a wasteful number, since it uses less digits than its factorization.

40423313332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3359318 (or 3359316 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 28.

Adding to 40423313332 its reverse (23331332404), we get a palindrome (63754645736).

The spelling of 40423313332 in words is "forty billion, four hundred twenty-three million, three hundred thirteen thousand, three hundred thirty-two".