51036480000 has 1000 divisors, whose sum is σ = 208816969680. Its totient is φ = 12303360000.

The previous prime is 51036479933. The next prime is 51036480017. The reversal of 51036480000 is 8463015.

51036480000 is a `hidden beast` number, since 5 + 10 + 3 + 648 + 0 + 0 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1000).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 99 ways as a sum of consecutive naturals, for example, 285119911 + ... + 285120089.

Almost surely, 2^51036480000 is an apocalyptic number.

51036480000 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 51036480000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104408484840).

51036480000 is an abundant number, since it is smaller than the sum of its proper divisors (157780489680).

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

51036480000 is an equidigital number, since it uses as much as digits as its factorization.

51036480000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240 (or 200 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The spelling of 51036480000 in words is "fifty-one billion, thirty-six million, four hundred eighty thousand".