4006405835 has 16 divisors (see below), whose sum is σ = 5062361760. Its totient is φ = 3035450880.

The previous prime is 4006405831. The next prime is 4006405867. The reversal of 4006405835 is 5385046004.

It is not a de Polignac number, because 4006405835 - 2² = 4006405831 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4006405795 and 4006405804.

It is not an unprimeable number, because it can be changed into a prime (4006405831) 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, 444029 + ... + 452961.

It is an arithmetic number, because the mean of its divisors is an integer number (316397610).

Almost surely, 2^4006405835 is an apocalyptic number.

4006405835 is a deficient number, since it is larger than the sum of its proper divisors (1055955925).

4006405835 is a wasteful number, since it uses less digits than its factorization.

4006405835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13678.

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 4006405835 is about 63296.1755163770. The cubic root of 4006405835 is about 1588.2479857873.

The spelling of 4006405835 in words is "four billion, six million, four hundred five thousand, eight hundred thirty-five".