51268708036 has 96 divisors (see below), whose sum is σ = 116565120000. Its totient is φ = 19582545024.

The previous prime is 51268707983. The next prime is 51268708063. The reversal of 51268708036 is 63080786215.

It is a super-2 number, since 2×51268708036² (a number of 22 digits) contains 22 as substring.

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, 467685 + ... + 566803.

It is an arithmetic number, because the mean of its divisors is an integer number (1214220000).

Almost surely, 2^51268708036 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 51268708036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58282560000).

51268708036 is an abundant number, since it is smaller than the sum of its proper divisors (65296411964).

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

51268708036 is a wasteful number, since it uses less digits than its factorization.

51268708036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99186 (or 99170 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 51268708036 in words is "fifty-one billion, two hundred sixty-eight million, seven hundred eight thousand, thirty-six".