40143442422220 has 24 divisors (see below), whose sum is σ = 84302866169424. Its totient is φ = 16057065143616.

The previous prime is 40143442422203. The next prime is 40143442422241. The reversal of 40143442422220 is 2222424434104.

It is a super-2 number, since 2×40143442422220² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 18432039 + ... + 20494558.

It is an arithmetic number, because the mean of its divisors is an integer number (3512619423726).

Almost surely, 2^{40143442422220} is an apocalyptic number.

It is an amenable number.

40143442422220 is an abundant number, since it is smaller than the sum of its proper divisors (44159423747204).

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

40143442422220 is a wasteful number, since it uses less digits than its factorization.

40143442422220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38978169 (or 38978167 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 34.

Adding to 40143442422220 its reverse (2222424434104), we get a palindrome (42365866856324).

The spelling of 40143442422220 in words is "forty trillion, one hundred forty-three billion, four hundred forty-two million, four hundred twenty-two thousand, two hundred twenty".