40220202064 has 20 divisors (see below), whose sum is σ = 89059019104. Its totient is φ = 17237229408.

The previous prime is 40220202059. The next prime is 40220202083. The reversal of 40220202064 is 46020202204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179554362 + ... + 179554585.

Almost surely, 2^40220202064 is an apocalyptic number.

It is an amenable number.

40220202064 is an abundant number, since it is smaller than the sum of its proper divisors (48838817040).

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

40220202064 is a wasteful number, since it uses less digits than its factorization.

40220202064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359108962 (or 359108956 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 40220202064 its reverse (46020202204), we get a palindrome (86240404268).

The spelling of 40220202064 in words is "forty billion, two hundred twenty million, two hundred two thousand, sixty-four".