51340234352 has 160 divisors (see below), whose sum is σ = 114057842688. Its totient is φ = 22176000000.

The previous prime is 51340234349. The next prime is 51340234373. The reversal of 51340234352 is 25343204315.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 83209148 + ... + 83209764.

Almost surely, 2^51340234352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51340234352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57028921344).

51340234352 is an abundant number, since it is smaller than the sum of its proper divisors (62717608336).

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

51340234352 is a wasteful number, since it uses less digits than its factorization.

51340234352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 919 (or 913 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 51340234352 its reverse (25343204315), we get a palindrome (76683438667).

The spelling of 51340234352 in words is "fifty-one billion, three hundred forty million, two hundred thirty-four thousand, three hundred fifty-two".