408127132 has 24 divisors (see below), whose sum is σ = 833624064. Its totient is φ = 171189552.

The previous prime is 408127129. The next prime is 408127133. The reversal of 408127132 is 231721804.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 408127132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (408127133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153748 + ... + 156379.

It is an arithmetic number, because the mean of its divisors is an integer number (34734336).

Almost surely, 2^408127132 is an apocalyptic number.

It is an amenable number.

408127132 is an abundant number, since it is smaller than the sum of its proper divisors (425496932).

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

408127132 is a wasteful number, since it uses less digits than its factorization.

408127132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310185 (or 310183 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 408127132 is about 20202.1566175495. The cubic root of 408127132 is about 741.7629818162.

Adding to 408127132 its reverse (231721804), we get a palindrome (639848936).

It can be divided in two parts, 4081 and 27132, that added together give a palindrome (31213).

The spelling of 408127132 in words is "four hundred eight million, one hundred twenty-seven thousand, one hundred thirty-two".