40220321313 has 8 divisors (see below), whose sum is σ = 53637791488. Its totient is φ = 26808199344.

The previous prime is 40220321279. The next prime is 40220321359. The reversal of 40220321313 is 31312302204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40220321313 - 2⁹ = 40220320801 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 40220321313.

It is not an unprimeable number, because it can be changed into a prime (40220321213) 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, 1319470 + ... + 1349607.

It is an arithmetic number, because the mean of its divisors is an integer number (6704723936).

Almost surely, 2^40220321313 is an apocalyptic number.

It is an amenable number.

40220321313 is a deficient number, since it is larger than the sum of its proper divisors (13417470175).

40220321313 is a wasteful number, since it uses less digits than its factorization.

40220321313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2674103.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 40220321313 its reverse (31312302204), we get a palindrome (71532623517).

The spelling of 40220321313 in words is "forty billion, two hundred twenty million, three hundred twenty-one thousand, three hundred thirteen".