40002224020 has 24 divisors (see below), whose sum is σ = 91641459168. Its totient is φ = 14546263200.

The previous prime is 40002224011. The next prime is 40002224033. The reversal of 40002224020 is 2042220004.

It is a junction number, because it is equal to n+sod(n) for n = 40002223985 and 40002224003.

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 7 ways as a sum of consecutive naturals, for example, 90913926 + ... + 90914365.

It is an arithmetic number, because the mean of its divisors is an integer number (3818394132).

Almost surely, 2^40002224020 is an apocalyptic number.

It is an amenable number.

40002224020 is an abundant number, since it is smaller than the sum of its proper divisors (51639235148).

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

40002224020 is a wasteful number, since it uses less digits than its factorization.

40002224020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181828311 (or 181828309 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 40002224020 its reverse (2042220004), we get a palindrome (42044444024).

The spelling of 40002224020 in words is "forty billion, two million, two hundred twenty-four thousand, twenty".