40020201822 has 32 divisors (see below), whose sum is σ = 80958610944. Its totient is φ = 13187444000.

The previous prime is 40020201817. The next prime is 40020201841. The reversal of 40020201822 is 22810202004.

It is a happy number.

40020201822 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40020201822² (a number of 22 digits) contains 22 as substring.

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, 341047 + ... + 443117.

It is an arithmetic number, because the mean of its divisors is an integer number (2529956592).

Almost surely, 2^40020201822 is an apocalyptic number.

40020201822 is an abundant number, since it is smaller than the sum of its proper divisors (40938409122).

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

40020201822 is a wasteful number, since it uses less digits than its factorization.

40020201822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102824.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 40020201822 its reverse (22810202004), we get a palindrome (62830403826).

The spelling of 40020201822 in words is "forty billion, twenty million, two hundred one thousand, eight hundred twenty-two".