51474227078720 has 112 divisors (see below), whose sum is σ = 123695000605440. Its totient is φ = 20401328726016.

The previous prime is 51474227078711. The next prime is 51474227078759. The reversal of 51474227078720 is 2787072247415.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120669971 + ... + 121095789.

Almost surely, 2^{51474227078720} 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 51474227078720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61847500302720).

51474227078720 is an abundant number, since it is smaller than the sum of its proper divisors (72220773526720).

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

51474227078720 is a wasteful number, since it uses less digits than its factorization.

51474227078720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429292 (or 429282 counting only the distinct ones).

The product of its (nonzero) digits is 12293120, while the sum is 56.

The spelling of 51474227078720 in words is "fifty-one trillion, four hundred seventy-four billion, two hundred twenty-seven million, seventy-eight thousand, seven hundred twenty".