40685012232559 has 4 divisors (see below), whose sum is σ = 40898022768000. Its totient is φ = 40472001697120.

The previous prime is 40685012232539. The next prime is 40685012232563. The reversal of 40685012232559 is 95523221058604.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40685012232559 - 2⁹ = 40685012232047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40685012232539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106505267434 + ... + 106505267815.

It is an arithmetic number, because the mean of its divisors is an integer number (10224505692000).

Almost surely, 2^{40685012232559} is an apocalyptic number.

40685012232559 is a deficient number, since it is larger than the sum of its proper divisors (213010535441).

40685012232559 is a wasteful number, since it uses less digits than its factorization.

40685012232559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213010535440.

The product of its (nonzero) digits is 5184000, while the sum is 52.

The spelling of 40685012232559 in words is "forty trillion, six hundred eighty-five billion, twelve million, two hundred thirty-two thousand, five hundred fifty-nine".