40321222989 has 16 divisors (see below), whose sum is σ = 56875584000. Its totient is φ = 25338058416.

The previous prime is 40321222943. The next prime is 40321223009. The reversal of 40321222989 is 98922212304.

It is not a de Polignac number, because 40321222989 - 2¹⁶ = 40321157453 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40321222989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40321222919) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1766019 + ... + 1788704.

It is an arithmetic number, because the mean of its divisors is an integer number (3554724000).

Almost surely, 2^40321222989 is an apocalyptic number.

It is an amenable number.

40321222989 is a deficient number, since it is larger than the sum of its proper divisors (16554361011).

40321222989 is a wasteful number, since it uses less digits than its factorization.

40321222989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3554944.

The product of its (nonzero) digits is 124416, while the sum is 42.

The spelling of 40321222989 in words is "forty billion, three hundred twenty-one million, two hundred twenty-two thousand, nine hundred eighty-nine".