51227736822400 has 192 divisors, whose sum is σ = 129507577056000. Its totient is φ = 20012073984000.

The previous prime is 51227736822319. The next prime is 51227736822497. The reversal of 51227736822400 is 422863772215.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1430884500 + ... + 1430920300.

It is an arithmetic number, because the mean of its divisors is an integer number (674518630500).

Almost surely, 2^{51227736822400} is an apocalyptic number.

51227736822400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51227736822400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64753788528000).

51227736822400 is an abundant number, since it is smaller than the sum of its proper divisors (78279840233600).

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

51227736822400 is a wasteful number, since it uses less digits than its factorization.

51227736822400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46267 (or 46250 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 49.

The spelling of 51227736822400 in words is "fifty-one trillion, two hundred twenty-seven billion, seven hundred thirty-six million, eight hundred twenty-two thousand, four hundred".