51084584431840 has 48 divisors (see below), whose sum is σ = 120761875699920. Its totient is φ = 20421212400640.

The previous prime is 51084584431831. The next prime is 51084584431883. The reversal of 51084584431840 is 4813448548015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98344621 + ... + 98862700.

It is an arithmetic number, because the mean of its divisors is an integer number (2515872410415).

Almost surely, 2^{51084584431840} is an apocalyptic number.

It is an amenable number.

51084584431840 is an abundant number, since it is smaller than the sum of its proper divisors (69677291268080).

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

51084584431840 is a wasteful number, since it uses less digits than its factorization.

51084584431840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197208955 (or 197208947 counting only the distinct ones).

The product of its (nonzero) digits is 9830400, while the sum is 55.

The spelling of 51084584431840 in words is "fifty-one trillion, eighty-four billion, five hundred eighty-four million, four hundred thirty-one thousand, eight hundred forty".