80339969551140 has 960 divisors, whose sum is σ = 290269268889600. Its totient is φ = 18437890581504.

The previous prime is 80339969551129. The next prime is 80339969551157. The reversal of 80339969551140 is 4115596993308.

80339969551140 is a `hidden beast` number, since 8 + 0 + 3 + 3 + 9 + 9 + 69 + 551 + 14 + 0 = 666.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 6717944481 + ... + 6717956439.

It is an arithmetic number, because the mean of its divisors is an integer number (302363821760).

Almost surely, 2^{80339969551140} 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 80339969551140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145134634444800).

80339969551140 is an abundant number, since it is smaller than the sum of its proper divisors (209929299338460).

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

80339969551140 is a wasteful number, since it uses less digits than its factorization.

80339969551140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12278 (or 12267 counting only the distinct ones).

The product of its (nonzero) digits is 31492800, while the sum is 63.

The spelling of 80339969551140 in words is "eighty trillion, three hundred thirty-nine billion, nine hundred sixty-nine million, five hundred fifty-one thousand, one hundred forty".