40008747385459 has 4 divisors (see below), whose sum is σ = 40150121051416. Its totient is φ = 39867373719504.

The previous prime is 40008747385423. The next prime is 40008747385489. The reversal of 40008747385459 is 95458374780004.

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 40008747385459 - 2¹¹ = 40008747383411 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40008747385459.

It is not an unprimeable number, because it can be changed into a prime (40008747385489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70686832554 + ... + 70686833119.

It is an arithmetic number, because the mean of its divisors is an integer number (10037530262854).

Almost surely, 2^{40008747385459} is an apocalyptic number.

40008747385459 is a deficient number, since it is larger than the sum of its proper divisors (141373665957).

40008747385459 is a wasteful number, since it uses less digits than its factorization.

40008747385459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141373665956.

The product of its (nonzero) digits is 135475200, while the sum is 64.

The spelling of 40008747385459 in words is "forty trillion, eight billion, seven hundred forty-seven million, three hundred eighty-five thousand, four hundred fifty-nine".