408239533012 has 24 divisors (see below), whose sum is σ = 716404147200. Its totient is φ = 203552813376.

The previous prime is 408239533007. The next prime is 408239533019. The reversal of 408239533012 is 210335932804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (408239533019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10902939 + ... + 10940317.

It is an arithmetic number, because the mean of its divisors is an integer number (29850172800).

Almost surely, 2^408239533012 is an apocalyptic number.

It is an amenable number.

408239533012 is a deficient number, since it is larger than the sum of its proper divisors (308164614188).

408239533012 is a wasteful number, since it uses less digits than its factorization.

408239533012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44895 (or 44893 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 40.

The spelling of 408239533012 in words is "four hundred eight billion, two hundred thirty-nine million, five hundred thirty-three thousand, twelve".