51038000736 has 24 divisors (see below), whose sum is σ = 133974752184. Its totient is φ = 17012666880.

The previous prime is 51038000731. The next prime is 51038000737. The reversal of 51038000736 is 63700083015.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 51038000697 and 51038000706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51038000731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 265822825 + ... + 265823016.

It is an arithmetic number, because the mean of its divisors is an integer number (5582281341).

Almost surely, 2^51038000736 is an apocalyptic number.

It is an amenable number.

51038000736 is an abundant number, since it is smaller than the sum of its proper divisors (82936751448).

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

51038000736 is a wasteful number, since it uses less digits than its factorization.

51038000736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531645854 (or 531645846 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The spelling of 51038000736 in words is "fifty-one billion, thirty-eight million, seven hundred thirty-six", and thus it is an aban number.