51184404068 has 24 divisors (see below), whose sum is σ = 102452579712. Its totient is φ = 21918222144.

The previous prime is 51184404041. The next prime is 51184404077. The reversal of 51184404068 is 86040448115.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 713105 + ... + 781592.

It is an arithmetic number, because the mean of its divisors is an integer number (4268857488).

Almost surely, 2^51184404068 is an apocalyptic number.

It is an amenable number.

51184404068 is an abundant number, since it is smaller than the sum of its proper divisors (51268175644).

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

51184404068 is a wasteful number, since it uses less digits than its factorization.

51184404068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1495931 (or 1495929 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 41.

The spelling of 51184404068 in words is "fifty-one billion, one hundred eighty-four million, four hundred four thousand, sixty-eight".