40220342324 has 12 divisors (see below), whose sum is σ = 72812688900. Its totient is φ = 19416716928.

The previous prime is 40220342293. The next prime is 40220342341. The reversal of 40220342324 is 42324302204.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11208033424 + 29012308900 = 105868^2 + 170330^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40220342293 and 40220342302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173363429 + ... + 173363660.

It is an arithmetic number, because the mean of its divisors is an integer number (6067724075).

Almost surely, 2^40220342324 is an apocalyptic number.

It is an amenable number.

40220342324 is a deficient number, since it is larger than the sum of its proper divisors (32592346576).

40220342324 is a wasteful number, since it uses less digits than its factorization.

40220342324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346727122 (or 346727120 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 40220342324 its reverse (42324302204), we get a palindrome (82544644528).

The spelling of 40220342324 in words is "forty billion, two hundred twenty million, three hundred forty-two thousand, three hundred twenty-four".