80026662502656 has 216 divisors, whose sum is σ = 235439675931096. Its totient is φ = 26133326069760.

The previous prime is 80026662502637. The next prime is 80026662502711. The reversal of 80026662502656 is 65620526662008.

It can be written as a sum of positive squares in 4 ways, for example, as 2310448640256 + 77716213862400 = 1520016^2 + 8815680^2 .

It is a super-2 number, since 2×80026662502656² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81694486 + ... + 82668266.

It is an arithmetic number, because the mean of its divisors is an integer number (1089998499681).

Almost surely, 2^{80026662502656} 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 80026662502656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117719837965548).

80026662502656 is an abundant number, since it is smaller than the sum of its proper divisors (155413013428440).

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

80026662502656 is a wasteful number, since it uses less digits than its factorization.

80026662502656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974529 (or 974512 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 54.

The spelling of 80026662502656 in words is "eighty trillion, twenty-six billion, six hundred sixty-two million, five hundred two thousand, six hundred fifty-six".