439720104406 has 8 divisors (see below), whose sum is σ = 719541989064. Its totient is φ = 199872774720.

The previous prime is 439720104301. The next prime is 439720104413. The reversal of 439720104406 is 604401027934.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×439720104406² (a number of 24 digits) contains 22 as substring.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 9993638715 + ... + 9993638758.

It is an arithmetic number, because the mean of its divisors is an integer number (89942748633).

Almost surely, 2^439720104406 is an apocalyptic number.

439720104406 is a deficient number, since it is larger than the sum of its proper divisors (279821884658).

439720104406 is a wasteful number, since it uses less digits than its factorization.

439720104406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19987277486.

The product of its (nonzero) digits is 145152, while the sum is 40.

The spelling of 439720104406 in words is "four hundred thirty-nine billion, seven hundred twenty million, one hundred four thousand, four hundred six".