61443040304 has 20 divisors (see below), whose sum is σ = 119181043800. Its totient is φ = 30686641920.

The previous prime is 61443040297. The next prime is 61443040333. The reversal of 61443040304 is 40304034416.

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, 2165354 + ... + 2193545.

It is an arithmetic number, because the mean of its divisors is an integer number (5959052190).

Almost surely, 2^61443040304 is an apocalyptic number.

It is an amenable number.

61443040304 is a deficient number, since it is larger than the sum of its proper divisors (57738003496).

61443040304 is a wasteful number, since it uses less digits than its factorization.

61443040304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4359788 (or 4359782 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

The spelling of 61443040304 in words is "sixty-one billion, four hundred forty-three million, forty thousand, three hundred four".