51452330040000 has 420 divisors, whose sum is σ = 187766756541936. Its totient is φ = 13461736704000.

The previous prime is 51452330039963. The next prime is 51452330040029. The reversal of 51452330040000 is 4003325415.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 17731669 + ... + 20428331.

Almost surely, 2^{51452330040000} is an apocalyptic number.

51452330040000 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 51452330040000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93883378270968).

51452330040000 is an abundant number, since it is smaller than the sum of its proper divisors (136314426501936).

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

51452330040000 is a wasteful number, since it uses less digits than its factorization.

51452330040000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2696754 (or 2696726 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 51452330040000 its reverse (4003325415), we get a palindrome (51456333365415).

The spelling of 51452330040000 in words is "fifty-one trillion, four hundred fifty-two billion, three hundred thirty million, forty thousand".