405239087316 has 36 divisors (see below), whose sum is σ = 1080653124768. Its totient is φ = 115780929408.

The previous prime is 405239087311. The next prime is 405239087317. The reversal of 405239087316 is 613780932504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405239087311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5799660 + ... + 5869116.

It is a 1-persistent number, because it is pandigital, but 2⋅405239087316 = 810478174632 is not.

Almost surely, 2^405239087316 is an apocalyptic number.

It is an amenable number.

405239087316 is an abundant number, since it is smaller than the sum of its proper divisors (675414037452).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

405239087316 is an frugal number, since it uses more digits than its factorization.

405239087316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138928 (or 69469 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 48.

The spelling of 405239087316 in words is "four hundred five billion, two hundred thirty-nine million, eighty-seven thousand, three hundred sixteen".