40480088861 has 2 divisors, whose sum is σ = 40480088862. Its totient is φ = 40480088860.

The previous prime is 40480088843. The next prime is 40480088911. The reversal of 40480088861 is 16888008404.

40480088861 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., 40354783225 + 125305636 = 200885^2 + 11194^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40480088861 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40480088801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20240044430 + 20240044431.

It is an arithmetic number, because the mean of its divisors is an integer number (20240044431).

Almost surely, 2^40480088861 is an apocalyptic number.

It is an amenable number.

40480088861 is a deficient number, since it is larger than the sum of its proper divisors (1).

40480088861 is an equidigital number, since it uses as much as digits as its factorization.

40480088861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 393216, while the sum is 47.

The spelling of 40480088861 in words is "forty billion, four hundred eighty million, eighty-eight thousand, eight hundred sixty-one".