51672682044 has 36 divisors (see below), whose sum is σ = 138300415344. Its totient is φ = 16211037312.

The previous prime is 51672682043. The next prime is 51672682069. The reversal of 51672682044 is 44028627615.

51672682044 is a `hidden beast` number, since 516 + 72 + 6 + 8 + 20 + 44 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51672682043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42215632 + ... + 42216855.

It is an arithmetic number, because the mean of its divisors is an integer number (3841678204).

Almost surely, 2^51672682044 is an apocalyptic number.

It is an amenable number.

51672682044 is an abundant number, since it is smaller than the sum of its proper divisors (86627733300).

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

51672682044 is a wasteful number, since it uses less digits than its factorization.

51672682044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84432514 (or 84432509 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 51672682044 in words is "fifty-one billion, six hundred seventy-two million, six hundred eighty-two thousand, forty-four".