405087514689796 has 27 divisors (see below), whose sum is σ = 711074710773063. Its totient is φ = 201925200830760.

The previous prime is 405087514689763. The next prime is 405087514689827. The reversal of 405087514689796 is 697986415780504.

The square root of 405087514689796 is 20126786.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

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 8 ways as a sum of consecutive naturals, for example, 13323917131 + ... + 13323947533.

Almost surely, 2^{405087514689796} is an apocalyptic number.

405087514689796 is the 20126786-th square number.

It is an amenable number.

405087514689796 is a deficient number, since it is larger than the sum of its proper divisors (305987196083267).

405087514689796 is an frugal number, since it uses more digits than its factorization.

405087514689796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61472 (or 30736 counting only the distinct ones).

The product of its (nonzero) digits is 3657830400, while the sum is 79.

The spelling of 405087514689796 in words is "four hundred five trillion, eighty-seven billion, five hundred fourteen million, six hundred eighty-nine thousand, seven hundred ninety-six".