1208408456 has 32 divisors (see below), whose sum is σ = 2337565440. Its totient is φ = 585206208.

The previous prime is 1208408423. The next prime is 1208408507. The reversal of 1208408456 is 6548048021.

It is a happy number.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56855 + ... + 75161.

It is an arithmetic number, because the mean of its divisors is an integer number (73048920).

Almost surely, 2^1208408456 is an apocalyptic number.

It is an amenable number.

1208408456 is a deficient number, since it is larger than the sum of its proper divisors (1129156984).

1208408456 is a wasteful number, since it uses less digits than its factorization.

1208408456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18573 (or 18569 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 38.

The square root of 1208408456 is about 34762.1698977495. The cubic root of 1208408456 is about 1065.1348271339.

The spelling of 1208408456 in words is "one billion, two hundred eight million, four hundred eight thousand, four hundred fifty-six".