51262366260 has 144 divisors (see below), whose sum is σ = 169706638080. Its totient is φ = 11524988160.

The previous prime is 51262366241. The next prime is 51262366261. The reversal of 51262366260 is 6266326215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51262366261) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 36421 + ... + 322259.

It is an arithmetic number, because the mean of its divisors is an integer number (1178518320).

Almost surely, 2^51262366260 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 51262366260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84853319040).

51262366260 is an abundant number, since it is smaller than the sum of its proper divisors (118444271820).

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

51262366260 is a wasteful number, since it uses less digits than its factorization.

51262366260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285926 (or 285917 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 39.

The spelling of 51262366260 in words is "fifty-one billion, two hundred sixty-two million, three hundred sixty-six thousand, two hundred sixty".