51071344302 has 64 divisors (see below), whose sum is σ = 115330003200. Its totient is φ = 14934823680.

The previous prime is 51071344301. The next prime is 51071344307. The reversal of 51071344302 is 20344317015.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 51071344302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51071344301) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4486474 + ... + 4497842.

It is an arithmetic number, because the mean of its divisors is an integer number (1802031300).

Almost surely, 2^51071344302 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51071344302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57665001600).

51071344302 is an abundant number, since it is smaller than the sum of its proper divisors (64258658898).

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

51071344302 is a wasteful number, since it uses less digits than its factorization.

51071344302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13761.

The product of its (nonzero) digits is 10080, while the sum is 30.

The spelling of 51071344302 in words is "fifty-one billion, seventy-one million, three hundred forty-four thousand, three hundred two".