51140332244 has 12 divisors (see below), whose sum is σ = 89499898068. Its totient is φ = 25568932800.

The previous prime is 51140332241. The next prime is 51140332277. The reversal of 51140332244 is 44223304115.

51140332244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 12503712400 + 38636619844 = 111820^2 + 196562^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51140332241) 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, 211667 + ... + 383514.

It is an arithmetic number, because the mean of its divisors is an integer number (7458324839).

Almost surely, 2^51140332244 is an apocalyptic number.

It is an amenable number.

51140332244 is a deficient number, since it is larger than the sum of its proper divisors (38359565824).

51140332244 is a wasteful number, since it uses less digits than its factorization.

51140332244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616666 (or 616664 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 51140332244 its reverse (44223304115), we get a palindrome (95363636359).

The spelling of 51140332244 in words is "fifty-one billion, one hundred forty million, three hundred thirty-two thousand, two hundred forty-four".