40326985801 has 2 divisors, whose sum is σ = 40326985802. Its totient is φ = 40326985800.

The previous prime is 40326985759. The next prime is 40326985813. The reversal of 40326985801 is 10858962304.

40326985801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31053488400 + 9273497401 = 176220^2 + 96299^2 .

It is a cyclic number.

It is not a de Polignac number, because 40326985801 - 2⁹ = 40326985289 is a prime.

It is a super-2 number, since 2×40326985801² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40326985871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20163492900 + 20163492901.

It is an arithmetic number, because the mean of its divisors is an integer number (20163492901).

Almost surely, 2^40326985801 is an apocalyptic number.

It is an amenable number.

40326985801 is a deficient number, since it is larger than the sum of its proper divisors (1).

40326985801 is an equidigital number, since it uses as much as digits as its factorization.

40326985801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 414720, while the sum is 46.

The spelling of 40326985801 in words is "forty billion, three hundred twenty-six million, nine hundred eighty-five thousand, eight hundred one".