80120300544 has 528 divisors, whose sum is σ = 253830620160. Its totient is φ = 24265359360.

The previous prime is 80120300509. The next prime is 80120300597. The reversal of 80120300544 is 44500302108.

80120300544 is a `hidden beast` number, since 80 + 12 + 0 + 30 + 0 + 544 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 584819644 + ... + 584819780.

Almost surely, 2^80120300544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80120300544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126915310080).

80120300544 is an abundant number, since it is smaller than the sum of its proper divisors (173710319616).

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

80120300544 is a wasteful number, since it uses less digits than its factorization.

80120300544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306 (or 285 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The spelling of 80120300544 in words is "eighty billion, one hundred twenty million, three hundred thousand, five hundred forty-four".