40220312201 has 4 divisors (see below), whose sum is σ = 40248858900. Its totient is φ = 40191765504.

The previous prime is 40220312173. The next prime is 40220312233. The reversal of 40220312201 is 10221302204.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7341919225 + 32878392976 = 85685^2 + 181324^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40220312201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40220312201.

It is not an unprimeable number, because it can be changed into a prime (40220312261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14271236 + ... + 14274053.

It is an arithmetic number, because the mean of its divisors is an integer number (10062214725).

Almost surely, 2^40220312201 is an apocalyptic number.

It is an amenable number.

40220312201 is a deficient number, since it is larger than the sum of its proper divisors (28546699).

40220312201 is a wasteful number, since it uses less digits than its factorization.

40220312201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28546698.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 40220312201 its reverse (10221302204), we get a palindrome (50441614405).

The spelling of 40220312201 in words is "forty billion, two hundred twenty million, three hundred twelve thousand, two hundred one".