4023955406 has 16 divisors (see below), whose sum is σ = 6160132080. Its totient is φ = 1970821440.

The previous prime is 4023955393. The next prime is 4023955417. The reversal of 4023955406 is 6045593204.

It is a self number, because there is not a number n which added to its sum of digits gives 4023955406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27521 + ... + 93836.

It is an arithmetic number, because the mean of its divisors is an integer number (385008255).

Almost surely, 2^4023955406 is an apocalyptic number.

4023955406 is a deficient number, since it is larger than the sum of its proper divisors (2136176674).

4023955406 is a wasteful number, since it uses less digits than its factorization.

4023955406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121699.

The product of its (nonzero) digits is 129600, while the sum is 38.

The square root of 4023955406 is about 63434.6546140199. The cubic root of 4023955406 is about 1590.5636499592.

The spelling of 4023955406 in words is "four billion, twenty-three million, nine hundred fifty-five thousand, four hundred six".