51384143304 has 96 divisors (see below), whose sum is σ = 152107475520. Its totient is φ = 15574508928.

The previous prime is 51384143269. The next prime is 51384143351. The reversal of 51384143304 is 40334148315.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 346972 + ... + 472395.

It is an arithmetic number, because the mean of its divisors is an integer number (1584452870).

Almost surely, 2^51384143304 is an apocalyptic number.

It is an amenable number.

51384143304 is an abundant number, since it is smaller than the sum of its proper divisors (100723332216).

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

51384143304 is a wasteful number, since it uses less digits than its factorization.

51384143304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819459 (or 819452 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 51384143304 in words is "fifty-one billion, three hundred eighty-four million, one hundred forty-three thousand, three hundred four".