51029214880 has 192 divisors, whose sum is σ = 139314567168. Its totient is φ = 17301934080.

The previous prime is 51029214839. The next prime is 51029214911. The reversal of 51029214880 is 8841292015.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43207890 + ... + 43209070.

It is an arithmetic number, because the mean of its divisors is an integer number (725596704).

Almost surely, 2^51029214880 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 51029214880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69657283584).

51029214880 is an abundant number, since it is smaller than the sum of its proper divisors (88285352288).

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

51029214880 is a wasteful number, since it uses less digits than its factorization.

51029214880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1599 (or 1591 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 40.

The spelling of 51029214880 in words is "fifty-one billion, twenty-nine million, two hundred fourteen thousand, eight hundred eighty".