40122305550 has 72 divisors (see below), whose sum is σ = 108862664040. Its totient is φ = 10593336000.

The previous prime is 40122305521. The next prime is 40122305603. The reversal of 40122305550 is 5550322104.

It is a happy number.

It is a congruent number.

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 35 ways as a sum of consecutive naturals, for example, 395940 + ... + 486839.

It is an arithmetic number, because the mean of its divisors is an integer number (1511981445).

Almost surely, 2^40122305550 is an apocalyptic number.

40122305550 is an abundant number, since it is smaller than the sum of its proper divisors (68740358490).

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

40122305550 is a wasteful number, since it uses less digits than its factorization.

40122305550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 882898 (or 882890 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

Adding to 40122305550 its reverse (5550322104), we get a palindrome (45672627654).

The spelling of 40122305550 in words is "forty billion, one hundred twenty-two million, three hundred five thousand, five hundred fifty".