40522421938 has 8 divisors (see below), whose sum is σ = 60842592000. Its totient is φ = 20241557940.

The previous prime is 40522421917. The next prime is 40522421957. The reversal of 40522421938 is 83912422504.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 40522421938.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9823938 + ... + 9828061.

It is an arithmetic number, because the mean of its divisors is an integer number (7605324000).

Almost surely, 2^40522421938 is an apocalyptic number.

40522421938 is a deficient number, since it is larger than the sum of its proper divisors (20320170062).

40522421938 is a wasteful number, since it uses less digits than its factorization.

40522421938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19653032.

The product of its (nonzero) digits is 138240, while the sum is 40.

The spelling of 40522421938 in words is "forty billion, five hundred twenty-two million, four hundred twenty-one thousand, nine hundred thirty-eight".