40204044220422 has 16 divisors (see below), whose sum is σ = 80409035538432. Its totient is φ = 13401190223880.

The previous prime is 40204044220369. The next prime is 40204044220423. The reversal of 40204044220422 is 22402244040204.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 40204044220422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40204044220423) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 38909958 + ... + 39929849.

It is an arithmetic number, because the mean of its divisors is an integer number (5025564721152).

Almost surely, 2^{40204044220422} is an apocalyptic number.

40204044220422 is an abundant number, since it is smaller than the sum of its proper divisors (40204991318010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40204044220422 is a wasteful number, since it uses less digits than its factorization.

40204044220422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78924803.

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 40204044220422 its reverse (22402244040204), we get a palindrome (62606288260626).

The spelling of 40204044220422 in words is "forty trillion, two hundred four billion, forty-four million, two hundred twenty thousand, four hundred twenty-two".