40040256559 has 2 divisors, whose sum is σ = 40040256560. Its totient is φ = 40040256558.

The previous prime is 40040256479. The next prime is 40040256563. The reversal of 40040256559 is 95565204004.

40040256559 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 is a cyclic number.

It is not a de Polignac number, because 40040256559 - 2¹¹ = 40040254511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40040253559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20020128279 + 20020128280.

It is an arithmetic number, because the mean of its divisors is an integer number (20020128280).

Almost surely, 2^40040256559 is an apocalyptic number.

40040256559 is a deficient number, since it is larger than the sum of its proper divisors (1).

40040256559 is an equidigital number, since it uses as much as digits as its factorization.

40040256559 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216000, while the sum is 40.

The spelling of 40040256559 in words is "forty billion, forty million, two hundred fifty-six thousand, five hundred fifty-nine".