40423042132 has 24 divisors (see below), whose sum is σ = 78101043552. Its totient is φ = 18152733600.

The previous prime is 40423042123. The next prime is 40423042147. The reversal of 40423042132 is 23124032404.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 40423042097 and 40423042106.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5530719 + ... + 5538022.

It is an arithmetic number, because the mean of its divisors is an integer number (3254210148).

Almost surely, 2^40423042132 is an apocalyptic number.

It is an amenable number.

40423042132 is a deficient number, since it is larger than the sum of its proper divisors (37678001420).

40423042132 is a wasteful number, since it uses less digits than its factorization.

40423042132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11068839 (or 11068837 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 40423042132 its reverse (23124032404), we get a palindrome (63547074536).

The spelling of 40423042132 in words is "forty billion, four hundred twenty-three million, forty-two thousand, one hundred thirty-two".