408440488 has 32 divisors (see below), whose sum is σ = 785822400. Its totient is φ = 198914688.

The previous prime is 408440471. The next prime is 408440489. The reversal of 408440488 is 884044804.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 408440488.

It is not an unprimeable number, because it can be changed into a prime (408440489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139245 + ... + 142147.

It is an arithmetic number, because the mean of its divisors is an integer number (24556950).

Almost surely, 2^408440488 is an apocalyptic number.

It is an amenable number.

408440488 is a deficient number, since it is larger than the sum of its proper divisors (377381912).

408440488 is a wasteful number, since it uses less digits than its factorization.

408440488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3361 (or 3357 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 40.

The square root of 408440488 is about 20209.9106381003. The cubic root of 408440488 is about 741.9527726932.

It can be divided in two parts, 408 and 440488, that added together give a square (440896 = 664²).

The spelling of 408440488 in words is "four hundred eight million, four hundred forty thousand, four hundred eighty-eight".