51484204860 has 96 divisors (see below), whose sum is σ = 157382555904. Its totient is φ = 12471360000.

The previous prime is 51484204859. The next prime is 51484204883. The reversal of 51484204860 is 6840248415.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 842335 + ... + 901385.

It is an arithmetic number, because the mean of its divisors is an integer number (1639401624).

Almost surely, 2^51484204860 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 51484204860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78691277952).

51484204860 is an abundant number, since it is smaller than the sum of its proper divisors (105898351044).

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

51484204860 is a wasteful number, since it uses less digits than its factorization.

51484204860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60395 (or 60393 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 42.

The spelling of 51484204860 in words is "fifty-one billion, four hundred eighty-four million, two hundred four thousand, eight hundred sixty".