40002420422 has 8 divisors (see below), whose sum is σ = 60677829000. Its totient is φ = 19776477424.

The previous prime is 40002420413. The next prime is 40002420533. The reversal of 40002420422 is 22402420004.

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 = 40002420394 and 40002420403.

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, 112366172 + ... + 112366527.

It is an arithmetic number, because the mean of its divisors is an integer number (7584728625).

Almost surely, 2^40002420422 is an apocalyptic number.

40002420422 is a deficient number, since it is larger than the sum of its proper divisors (20675408578).

40002420422 is a wasteful number, since it uses less digits than its factorization.

40002420422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224732790.

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

Adding to 40002420422 its reverse (22402420004), we get a palindrome (62404840426).

The spelling of 40002420422 in words is "forty billion, two million, four hundred twenty thousand, four hundred twenty-two".