80565453332 has 96 divisors (see below), whose sum is σ = 174450511872. Its totient is φ = 31702720896.

The previous prime is 80565453289. The next prime is 80565453373. The reversal of 80565453332 is 23335456508.

It is a congruent number.

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, 91240163 + ... + 91241045.

It is an arithmetic number, because the mean of its divisors is an integer number (1817192832).

Almost surely, 2^80565453332 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 80565453332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87225255936).

80565453332 is an abundant number, since it is smaller than the sum of its proper divisors (93885058540).

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

80565453332 is a wasteful number, since it uses less digits than its factorization.

80565453332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1957 (or 1955 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 44.

The spelling of 80565453332 in words is "eighty billion, five hundred sixty-five million, four hundred fifty-three thousand, three hundred thirty-two".