40422105644 has 6 divisors (see below), whose sum is σ = 70738684884. Its totient is φ = 20211052820.

The previous prime is 40422105613. The next prime is 40422105649. The reversal of 40422105644 is 44650122404.

It is a self number, because there is not a number n which added to its sum of digits gives 40422105644.

It is not an unprimeable number, because it can be changed into a prime (40422105649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5052763202 + ... + 5052763209.

It is an arithmetic number, because the mean of its divisors is an integer number (11789780814).

Almost surely, 2^40422105644 is an apocalyptic number.

It is an amenable number.

40422105644 is a deficient number, since it is larger than the sum of its proper divisors (30316579240).

40422105644 is a wasteful number, since it uses less digits than its factorization.

40422105644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10105526415 (or 10105526413 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 32.

The spelling of 40422105644 in words is "forty billion, four hundred twenty-two million, one hundred five thousand, six hundred forty-four".