408669480 has 96 divisors (see below), whose sum is σ = 1398103200. Its totient is φ = 103241088.

The previous prime is 408669419. The next prime is 408669491. The reversal of 408669480 is 84966804.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23034 + ... + 36713.

It is an arithmetic number, because the mean of its divisors is an integer number (14563575).

Almost surely, 2^408669480 is an apocalyptic number.

408669480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

408669480 is an abundant number, since it is smaller than the sum of its proper divisors (989433720).

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

408669480 is a wasteful number, since it uses less digits than its factorization.

408669480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59783 (or 59776 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The square root of 408669480 is about 20215.5751835064. The cubic root of 408669480 is about 742.0914052990.

The spelling of 408669480 in words is "four hundred eight million, six hundred sixty-nine thousand, four hundred eighty".