40220647331 has 8 divisors (see below), whose sum is σ = 42384911904. Its totient is φ = 38091011200.

The previous prime is 40220647309. The next prime is 40220647339. The reversal of 40220647331 is 13374602204.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40220647331 is a prime.

It is a super-2 number, since 2×40220647331² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40220647339) 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, 8654726 + ... + 8659371.

It is an arithmetic number, because the mean of its divisors is an integer number (5298113988).

Almost surely, 2^40220647331 is an apocalyptic number.

40220647331 is a deficient number, since it is larger than the sum of its proper divisors (2164264573).

40220647331 is a wasteful number, since it uses less digits than its factorization.

40220647331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17314221.

The product of its (nonzero) digits is 24192, while the sum is 32.

The spelling of 40220647331 in words is "forty billion, two hundred twenty million, six hundred forty-seven thousand, three hundred thirty-one".