4000402442022 has 64 divisors (see below), whose sum is σ = 9294362217984. Its totient is φ = 1124151747840.

The previous prime is 4000402442021. The next prime is 4000402442041. The reversal of 4000402442022 is 2202442040004.

It is a junction number, because it is equal to n+sod(n) for n = 4000402441983 and 4000402442001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4000402442021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40027458 + ... + 40127274.

It is an arithmetic number, because the mean of its divisors is an integer number (145224409656).

Almost surely, 2^{4000402442022} is an apocalyptic number.

4000402442022 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

4000402442022 is an abundant number, since it is smaller than the sum of its proper divisors (5293959775962).

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

4000402442022 is a wasteful number, since it uses less digits than its factorization.

4000402442022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115533.

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

Adding to 4000402442022 its reverse (2202442040004), we get a palindrome (6202844482026).

The spelling of 4000402442022 in words is "four trillion, four hundred two million, four hundred forty-two thousand, twenty-two".