80099078653440 has 5760 divisors, whose sum is σ = 390721392230400. Its totient is φ = 15643809054720.

The previous prime is 80099078653423. The next prime is 80099078653537. The reversal of 80099078653440 is 4435687099008.

80099078653440 is a `hidden beast` number, since 8 + 0 + 0 + 9 + 90 + 7 + 8 + 6 + 534 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (5760).

It is a super-2 number, since 2×80099078653440² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 575 ways as a sum of consecutive naturals, for example, 630701406657 + ... + 630701406783.

It is an arithmetic number, because the mean of its divisors is an integer number (67833575040).

Almost surely, 2^{80099078653440} is an apocalyptic number.

80099078653440 is a gapful number since it is divisible by the number (80) 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 80099078653440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195360696115200).

80099078653440 is an abundant number, since it is smaller than the sum of its proper divisors (310622313576960).

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

80099078653440 is a wasteful number, since it uses less digits than its factorization.

80099078653440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226 (or 174 counting only the distinct ones).

The product of its (nonzero) digits is 52254720, while the sum is 63.

The spelling of 80099078653440 in words is "eighty trillion, ninety-nine billion, seventy-eight million, six hundred fifty-three thousand, four hundred forty".