80444340366336 has 352 divisors, whose sum is σ = 240462537638400. Its totient is φ = 26565271142400.

The previous prime is 80444340366323. The next prime is 80444340366421. The reversal of 80444340366336 is 63366304344408.

80444340366336 is a `hidden beast` number, since 80 + 4 + 443 + 4 + 0 + 36 + 63 + 36 = 666.

It is a super-2 number, since 2×80444340366336² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1557192475 + ... + 1557244133.

It is an arithmetic number, because the mean of its divisors is an integer number (683132209200).

Almost surely, 2^{80444340366336} 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 80444340366336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120231268819200).

80444340366336 is an abundant number, since it is smaller than the sum of its proper divisors (160018197272064).

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

80444340366336 is a wasteful number, since it uses less digits than its factorization.

80444340366336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52212 (or 52188 counting only the distinct ones).

The product of its (nonzero) digits is 35831808, while the sum is 54.

The spelling of 80444340366336 in words is "eighty trillion, four hundred forty-four billion, three hundred forty million, three hundred sixty-six thousand, three hundred thirty-six".