40881257873 has 2 divisors, whose sum is σ = 40881257874. Its totient is φ = 40881257872.

The previous prime is 40881257867. The next prime is 40881257881. The reversal of 40881257873 is 37875218804.

40881257873 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40797132289 + 84125584 = 201983^2 + 9172^2 .

It is a cyclic number.

It is not a de Polignac number, because 40881257873 - 2⁸ = 40881257617 is a prime.

It is not a weakly prime, because it can be changed into another prime (40881259873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20440628936 + 20440628937.

It is an arithmetic number, because the mean of its divisors is an integer number (20440628937).

Almost surely, 2^40881257873 is an apocalyptic number.

It is an amenable number.

40881257873 is a deficient number, since it is larger than the sum of its proper divisors (1).

40881257873 is an equidigital number, since it uses as much as digits as its factorization.

40881257873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3010560, while the sum is 53.

The spelling of 40881257873 in words is "forty billion, eight hundred eighty-one million, two hundred fifty-seven thousand, eight hundred seventy-three".