408448408408 has 8 divisors (see below), whose sum is σ = 765840765780. Its totient is φ = 204224204200.

The previous prime is 408448408399. The next prime is 408448408463. The reversal of 408448408408 is 804804844804.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25528025518 + ... + 25528025533.

Almost surely, 2^408448408408 is an apocalyptic number.

It is an amenable number.

408448408408 is a deficient number, since it is larger than the sum of its proper divisors (357392357372).

408448408408 is a wasteful number, since it uses less digits than its factorization.

408448408408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51056051057 (or 51056051053 counting only the distinct ones).

The product of its (nonzero) digits is 4194304, while the sum is 52.

The spelling of 408448408408 in words is "four hundred eight billion, four hundred forty-eight million, four hundred eight thousand, four hundred eight".