51302718190 has 16 divisors (see below), whose sum is σ = 92353131792. Its totient is φ = 20519256384.

The previous prime is 51302718161. The next prime is 51302718191. The reversal of 51302718190 is 9181720315.

It is a super-2 number, since 2×51302718190² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51302718191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108144 + ... + 338083.

It is an arithmetic number, because the mean of its divisors is an integer number (5772070737).

Almost surely, 2^51302718190 is an apocalyptic number.

51302718190 is a deficient number, since it is larger than the sum of its proper divisors (41050413602).

51302718190 is a wasteful number, since it uses less digits than its factorization.

51302718190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457731.

The product of its (nonzero) digits is 15120, while the sum is 37.

The spelling of 51302718190 in words is "fifty-one billion, three hundred two million, seven hundred eighteen thousand, one hundred ninety".