40025505589 has 2 divisors, whose sum is σ = 40025505590. Its totient is φ = 40025505588.

The previous prime is 40025505467. The next prime is 40025505613. The reversal of 40025505589 is 98550552004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21075780625 + 18949724964 = 145175^2 + 137658^2 .

It is a cyclic number.

It is not a de Polignac number, because 40025505589 - 2¹³ = 40025497397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40025515589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20012752794 + 20012752795.

It is an arithmetic number, because the mean of its divisors is an integer number (20012752795).

Almost surely, 2^40025505589 is an apocalyptic number.

It is an amenable number.

40025505589 is a deficient number, since it is larger than the sum of its proper divisors (1).

40025505589 is an equidigital number, since it uses as much as digits as its factorization.

40025505589 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360000, while the sum is 43.

The spelling of 40025505589 in words is "forty billion, twenty-five million, five hundred five thousand, five hundred eighty-nine".