51274074768280 has 768 divisors, whose sum is σ = 155440876953600. Its totient is φ = 14847805440000.

The previous prime is 51274074768263. The next prime is 51274074768331. The reversal of 51274074768280 is 8286747047215.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 16750757950 + ... + 16750761010.

It is an arithmetic number, because the mean of its divisors is an integer number (202396975200).

Almost surely, 2^{51274074768280} 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 51274074768280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77720438476800).

51274074768280 is an abundant number, since it is smaller than the sum of its proper divisors (104166802185320).

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

51274074768280 is a wasteful number, since it uses less digits than its factorization.

51274074768280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3756 (or 3739 counting only the distinct ones).

The product of its (nonzero) digits is 42147840, while the sum is 61.

The spelling of 51274074768280 in words is "fifty-one trillion, two hundred seventy-four billion, seventy-four million, seven hundred sixty-eight thousand, two hundred eighty".