40814573837 has 2 divisors, whose sum is σ = 40814573838. Its totient is φ = 40814573836.

The previous prime is 40814573809. The next prime is 40814573857. The reversal of 40814573837 is 73837541804.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29533797316 + 11280776521 = 171854^2 + 106211^2 .

It is a cyclic number.

It is not a de Polignac number, because 40814573837 - 2⁶ = 40814573773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40814573857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20407286918 + 20407286919.

It is an arithmetic number, because the mean of its divisors is an integer number (20407286919).

Almost surely, 2^40814573837 is an apocalyptic number.

It is an amenable number.

40814573837 is a deficient number, since it is larger than the sum of its proper divisors (1).

40814573837 is an equidigital number, since it uses as much as digits as its factorization.

40814573837 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2257920, while the sum is 50.

The spelling of 40814573837 in words is "forty billion, eight hundred fourteen million, five hundred seventy-three thousand, eight hundred thirty-seven".