40080084439 has 4 divisors (see below), whose sum is σ = 40587427360. Its totient is φ = 39572741520.

The previous prime is 40080084431. The next prime is 40080084449. The reversal of 40080084439 is 93448008004.

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 40080084439 - 2³ = 40080084431 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 (40080084431) 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, 253671342 + ... + 253671499.

It is an arithmetic number, because the mean of its divisors is an integer number (10146856840).

Almost surely, 2^40080084439 is an apocalyptic number.

40080084439 is a deficient number, since it is larger than the sum of its proper divisors (507342921).

40080084439 is an equidigital number, since it uses as much as digits as its factorization.

40080084439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507342920.

The product of its (nonzero) digits is 110592, while the sum is 40.

The spelling of 40080084439 in words is "forty billion, eighty million, eighty-four thousand, four hundred thirty-nine".