51040980000 has 360 divisors, whose sum is σ = 182304790668. Its totient is φ = 13541376000.

The previous prime is 51040979999. The next prime is 51040980019. The reversal of 51040980000 is 8904015.

It can be written as a sum of positive squares in 10 ways, for example, as 12889515024 + 38151464976 = 113532^2 + 195324^2 .

It is a tau number, because it is divible by the number of its divisors (360).

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, 41939392 + ... + 41940608.

Almost surely, 2^51040980000 is an apocalyptic number.

51040980000 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 51040980000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91152395334).

51040980000 is an abundant number, since it is smaller than the sum of its proper divisors (131263810668).

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

51040980000 is a wasteful number, since it uses less digits than its factorization.

51040980000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1486 (or 1460 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The spelling of 51040980000 in words is "fifty-one billion, forty million, nine hundred eighty thousand".