1405668804 has 24 divisors (see below), whose sum is σ = 3321413760. Its totient is φ = 462624864.

The previous prime is 1405668793. The next prime is 1405668821. The reversal of 1405668804 is 4088665041.

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, 740439 + ... + 742334.

It is an arithmetic number, because the mean of its divisors is an integer number (138392240).

Almost surely, 2^1405668804 is an apocalyptic number.

It is an amenable number.

1405668804 is an abundant number, since it is smaller than the sum of its proper divisors (1915744956).

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

1405668804 is a wasteful number, since it uses less digits than its factorization.

1405668804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1482859 (or 1482857 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 42.

The square root of 1405668804 is about 37492.2499191500. The cubic root of 1405668804 is about 1120.1968202147.

The spelling of 1405668804 in words is "one billion, four hundred five million, six hundred sixty-eight thousand, eight hundred four".