51441471744 has 288 divisors, whose sum is σ = 155762611200. Its totient is φ = 14952013824.

The previous prime is 51441471743. The next prime is 51441471769. The reversal of 51441471744 is 44717414415.

It is a junction number, because it is equal to n+sod(n) for n = 51441471696 and 51441471705.

It is not an unprimeable number, because it can be changed into a prime (51441471743) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19058107 + ... + 19060805.

It is an arithmetic number, because the mean of its divisors is an integer number (540842400).

Almost surely, 2^51441471744 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 51441471744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77881305600).

51441471744 is an abundant number, since it is smaller than the sum of its proper divisors (104321139456).

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

51441471744 is a wasteful number, since it uses less digits than its factorization.

51441471744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2837 (or 2823 counting only the distinct ones).

The product of its digits is 250880, while the sum is 42.

The spelling of 51441471744 in words is "fifty-one billion, four hundred forty-one million, four hundred seventy-one thousand, seven hundred forty-four".