40020771026213 has 8 divisors (see below), whose sum is σ = 41040640780440. Its totient is φ = 39002984766720.

The previous prime is 40020771026207. The next prime is 40020771026227. The reversal of 40020771026213 is 31262017702004.

40020771026213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 94333751044 + 39926437275169 = 307138^2 + 6318737^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 40020771026213 - 2⁶ = 40020771026149 is a prime.

It is a super-2 number, since 2×40020771026213² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40020771026273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 520834778 + ... + 520911611.

It is an arithmetic number, because the mean of its divisors is an integer number (5130080097555).

Almost surely, 2^{40020771026213} is an apocalyptic number.

It is an amenable number.

40020771026213 is a deficient number, since it is larger than the sum of its proper divisors (1019869754227).

40020771026213 is a wasteful number, since it uses less digits than its factorization.

40020771026213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041747367.

The product of its (nonzero) digits is 28224, while the sum is 35.

Adding to 40020771026213 its reverse (31262017702004), we get a palindrome (71282788728217).

The spelling of 40020771026213 in words is "forty trillion, twenty billion, seven hundred seventy-one million, twenty-six thousand, two hundred thirteen".