408412020 has 48 divisors (see below), whose sum is σ = 1149902208. Its totient is φ = 108305280.

The previous prime is 408412013. The next prime is 408412021. The reversal of 408412020 is 20214804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (408412021) 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, 7944 + ... + 29663.

It is an arithmetic number, because the mean of its divisors is an integer number (23956296).

Almost surely, 2^408412020 is an apocalyptic number.

It is an amenable number.

408412020 is an abundant number, since it is smaller than the sum of its proper divisors (741490188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

408412020 is a wasteful number, since it uses less digits than its factorization.

408412020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37800 (or 37798 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 408412020 is about 20209.2063179136. The cubic root of 408412020 is about 741.9355344395.

Adding to 408412020 its reverse (20214804), we get a palindrome (428626824).

The spelling of 408412020 in words is "four hundred eight million, four hundred twelve thousand, twenty".