40420404222 has 32 divisors (see below), whose sum is σ = 89063155584. Its totient is φ = 12127332000.

The previous prime is 40420404203. The next prime is 40420404293. The reversal of 40420404222 is 22240402404.

It is a junction number, because it is equal to n+sod(n) for n = 40420404192 and 40420404201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3025168 + ... + 3038499.

It is an arithmetic number, because the mean of its divisors is an integer number (2783223612).

Almost surely, 2^40420404222 is an apocalyptic number.

40420404222 is an abundant number, since it is smaller than the sum of its proper divisors (48642751362).

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

40420404222 is a wasteful number, since it uses less digits than its factorization.

40420404222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6063784.

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 40420404222 its reverse (22240402404), we get a palindrome (62660806626).

The spelling of 40420404222 in words is "forty billion, four hundred twenty million, four hundred four thousand, two hundred twenty-two".