408487447272 has 32 divisors (see below), whose sum is σ = 1021416418080. Its totient is φ = 136136109120.

The previous prime is 408487447267. The next prime is 408487447283. The reversal of 408487447272 is 272744784804.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1521643 + ... + 1769850.

It is an arithmetic number, because the mean of its divisors is an integer number (31919263065).

Almost surely, 2^408487447272 is an apocalyptic number.

It is an amenable number.

408487447272 is an abundant number, since it is smaller than the sum of its proper divisors (612928970808).

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

408487447272 is a wasteful number, since it uses less digits than its factorization.

408487447272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3296673 (or 3296669 counting only the distinct ones).

The product of its (nonzero) digits is 22478848, while the sum is 57.

The spelling of 408487447272 in words is "four hundred eight billion, four hundred eighty-seven million, four hundred forty-seven thousand, two hundred seventy-two".