40525587799 has 2 divisors, whose sum is σ = 40525587800. Its totient is φ = 40525587798.

The previous prime is 40525587779. The next prime is 40525587911. The reversal of 40525587799 is 99778552504.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40525587799 - 2⁹ = 40525587287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40525587779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20262793899 + 20262793900.

It is an arithmetic number, because the mean of its divisors is an integer number (20262793900).

Almost surely, 2^40525587799 is an apocalyptic number.

40525587799 is a deficient number, since it is larger than the sum of its proper divisors (1).

40525587799 is an equidigital number, since it uses as much as digits as its factorization.

40525587799 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31752000, while the sum is 61.

The spelling of 40525587799 in words is "forty billion, five hundred twenty-five million, five hundred eighty-seven thousand, seven hundred ninety-nine".