51641306200 has 96 divisors (see below), whose sum is σ = 132331998960. Its totient is φ = 18584985600.

The previous prime is 51641306183. The next prime is 51641306219. The reversal of 51641306200 is 260314615.

It is a congruent number.

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, 92404 + ... + 334396.

Almost surely, 2^51641306200 is an apocalyptic number.

51641306200 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 51641306200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66165999480).

51641306200 is an abundant number, since it is smaller than the sum of its proper divisors (80690692760).

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

51641306200 is a wasteful number, since it uses less digits than its factorization.

51641306200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242117 (or 242108 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The spelling of 51641306200 in words is "fifty-one billion, six hundred forty-one million, three hundred six thousand, two hundred".