40020255122 has 16 divisors (see below), whose sum is σ = 60189505920. Its totient is φ = 19957157808.

The previous prime is 40020255089. The next prime is 40020255127. The reversal of 40020255122 is 22155202004.

It is not an unprimeable number, because it can be changed into a prime (40020255127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1155623 + ... + 1189749.

It is an arithmetic number, because the mean of its divisors is an integer number (3761844120).

Almost surely, 2^40020255122 is an apocalyptic number.

40020255122 is a deficient number, since it is larger than the sum of its proper divisors (20169250798).

40020255122 is a wasteful number, since it uses less digits than its factorization.

40020255122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35665.

The product of its (nonzero) digits is 1600, while the sum is 23.

Adding to 40020255122 its reverse (22155202004), we get a palindrome (62175457126).

The spelling of 40020255122 in words is "forty billion, twenty million, two hundred fifty-five thousand, one hundred twenty-two".