40420404422 has 8 divisors (see below), whose sum is σ = 61167161016. Its totient is φ = 20031350752.

The previous prime is 40420404419. The next prime is 40420404439. The reversal of 40420404422 is 22440402404.

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

It is a junction number, because it is equal to n+sod(n) for n = 40420404391 and 40420404400.

It is a congruent number.

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, 89425448 + ... + 89425899.

It is an arithmetic number, because the mean of its divisors is an integer number (7645895127).

Almost surely, 2^40420404422 is an apocalyptic number.

40420404422 is a deficient number, since it is larger than the sum of its proper divisors (20746756594).

40420404422 is a wasteful number, since it uses less digits than its factorization.

40420404422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178851462.

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 40420404422 its reverse (22440402404), we get a palindrome (62860806826).

The spelling of 40420404422 in words is "forty billion, four hundred twenty million, four hundred four thousand, four hundred twenty-two".