80944532817408 has 400 divisors, whose sum is σ = 261636433415280. Its totient is φ = 24766840848384.

The previous prime is 80944532817373. The next prime is 80944532817413. The reversal of 80944532817408 is 80471823544908.

It is a happy number.

80944532817408 is a `hidden beast` number, since 8 + 0 + 9 + 4 + 453 + 2 + 8 + 174 + 0 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 96085966 + ... + 96924722.

Almost surely, 2^{80944532817408} 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 80944532817408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130818216707640).

80944532817408 is an abundant number, since it is smaller than the sum of its proper divisors (180691900597872).

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

80944532817408 is a wasteful number, since it uses less digits than its factorization.

80944532817408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838979 (or 838954 counting only the distinct ones).

The product of its (nonzero) digits is 61931520, while the sum is 63.

The spelling of 80944532817408 in words is "eighty trillion, nine hundred forty-four billion, five hundred thirty-two million, eight hundred seventeen thousand, four hundred eight".