40032012422 has 4 divisors (see below), whose sum is σ = 60048018636. Its totient is φ = 20016006210.

The previous prime is 40032012407. The next prime is 40032012457. The reversal of 40032012422 is 22421023004.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 40032012394 and 40032012403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10008003104 + ... + 10008003107.

It is an arithmetic number, because the mean of its divisors is an integer number (15012004659).

Almost surely, 2^40032012422 is an apocalyptic number.

40032012422 is a deficient number, since it is larger than the sum of its proper divisors (20016006214).

40032012422 is a wasteful number, since it uses less digits than its factorization.

40032012422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20016006213.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 40032012422 its reverse (22421023004), we get a palindrome (62453035426).

The spelling of 40032012422 in words is "forty billion, thirty-two million, twelve thousand, four hundred twenty-two".