80256610580 has 24 divisors (see below), whose sum is σ = 168655417728. Its totient is φ = 32080447008.

The previous prime is 80256610579. The next prime is 80256610589. The reversal of 80256610580 is 8501665208.

It is a super-2 number, since 2×80256610580² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80256610589) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1357664 + ... + 1415543.

It is an arithmetic number, because the mean of its divisors is an integer number (7027309072).

Almost surely, 2^80256610580 is an apocalyptic number.

It is an amenable number.

80256610580 is an abundant number, since it is smaller than the sum of its proper divisors (88398807148).

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

80256610580 is a wasteful number, since it uses less digits than its factorization.

80256610580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2774663 (or 2774661 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 41.

The spelling of 80256610580 in words is "eighty billion, two hundred fifty-six million, six hundred ten thousand, five hundred eighty".