408118016452 has 12 divisors (see below), whose sum is σ = 715068062380. Its totient is φ = 203812855776.

The previous prime is 408118016437. The next prime is 408118016489. The reversal of 408118016452 is 254610811804.

It can be written as a sum of positive squares in 2 ways, for example, as 265795926916 + 142322089536 = 515554^2 + 377256^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61534383 + ... + 61541014.

Almost surely, 2^408118016452 is an apocalyptic number.

It is an amenable number.

408118016452 is a deficient number, since it is larger than the sum of its proper divisors (306950045928).

408118016452 is a wasteful number, since it uses less digits than its factorization.

408118016452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123076230 (or 123076228 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 40.

The spelling of 408118016452 in words is "four hundred eight billion, one hundred eighteen million, sixteen thousand, four hundred fifty-two".