40002020004422 has 32 divisors (see below), whose sum is σ = 69894598636800. Its totient is φ = 16815107900448.

The previous prime is 40002020004391. The next prime is 40002020004517. The reversal of 40002020004422 is 22440002020004.

It is a junction number, because it is equal to n+sod(n) for n = 40002020004394 and 40002020004403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54293897 + ... + 55025732.

It is an arithmetic number, because the mean of its divisors is an integer number (2184206207400).

Almost surely, 2^{40002020004422} is an apocalyptic number.

40002020004422 is a deficient number, since it is larger than the sum of its proper divisors (29892578632378).

40002020004422 is a wasteful number, since it uses less digits than its factorization.

40002020004422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109320140.

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 40002020004422 its reverse (22440002020004), we get a palindrome (62442022024426).

The spelling of 40002020004422 in words is "forty trillion, two billion, twenty million, four thousand, four hundred twenty-two".