405916000834 has 4 divisors (see below), whose sum is σ = 608874001254. Its totient is φ = 202958000416.

The previous prime is 405916000813. The next prime is 405916000849. The reversal of 405916000834 is 438000619504.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 390066449809 + 15849551025 = 624553^2 + 125895^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 101479000207 + ... + 101479000210.

Almost surely, 2^405916000834 is an apocalyptic number.

405916000834 is a deficient number, since it is larger than the sum of its proper divisors (202958000420).

405916000834 is a wasteful number, since it uses less digits than its factorization.

405916000834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202958000419.

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 405916000834 in words is "four hundred five billion, nine hundred sixteen million, eight hundred thirty-four", and thus it is an aban number.