1808096644 has 12 divisors (see below), whose sum is σ = 3164872144. Its totient is φ = 903847464.

The previous prime is 1808096599. The next prime is 1808096671. The reversal of 1808096644 is 4466908081.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1808096594 and 1808096603.

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, 28962 + ... + 66745.

Almost surely, 2^1808096644 is an apocalyptic number.

It is an amenable number.

1808096644 is a deficient number, since it is larger than the sum of its proper divisors (1356775500).

1808096644 is a wasteful number, since it uses less digits than its factorization.

1808096644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100434 (or 100432 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 46.

The square root of 1808096644 is about 42521.7196735974. The cubic root of 1808096644 is about 1218.2615758083.

The spelling of 1808096644 in words is "one billion, eight hundred eight million, ninety-six thousand, six hundred forty-four".