405200115009 has 16 divisors (see below), whose sum is σ = 607041374400. Its totient is φ = 267098201568.

The previous prime is 405200115007. The next prime is 405200115013. The reversal of 405200115009 is 900511002504.

405200115009 is a `hidden beast` number, since 405 + 200 + 1 + 1 + 50 + 0 + 9 = 666.

It is not a de Polignac number, because 405200115009 - 2¹ = 405200115007 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (405200115007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84308899 + ... + 84313704.

It is an arithmetic number, because the mean of its divisors is an integer number (37940085900).

Almost surely, 2^405200115009 is an apocalyptic number.

It is an amenable number.

405200115009 is a deficient number, since it is larger than the sum of its proper divisors (201841259391).

405200115009 is a wasteful number, since it uses less digits than its factorization.

405200115009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168622701 (or 168622695 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The spelling of 405200115009 in words is "four hundred five billion, two hundred million, one hundred fifteen thousand, nine".