408944542 has 16 divisors (see below), whose sum is σ = 619496064. Its totient is φ = 202455000.

The previous prime is 408944519. The next prime is 408944551. The reversal of 408944542 is 245449804.

It is a junction number, because it is equal to n+sod(n) for n = 408944495 and 408944504.

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, 97917 + ... + 102007.

It is an arithmetic number, because the mean of its divisors is an integer number (38718504).

Almost surely, 2^408944542 is an apocalyptic number.

408944542 is a deficient number, since it is larger than the sum of its proper divisors (210551522).

408944542 is a wasteful number, since it uses less digits than its factorization.

408944542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4575.

The product of its (nonzero) digits is 184320, while the sum is 40.

The square root of 408944542 is about 20222.3772588685. The cubic root of 408944542 is about 742.2578604072.

The spelling of 408944542 in words is "four hundred eight million, nine hundred forty-four thousand, five hundred forty-two".