80455439652940 has 96 divisors (see below), whose sum is σ = 186002066976768. Its totient is φ = 28990101504000.

The previous prime is 80455439652911. The next prime is 80455439652947. The reversal of 80455439652940 is 4925693455408.

It is not an unprimeable number, because it can be changed into a prime (80455439652947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7074055 + ... + 14524225.

It is an arithmetic number, because the mean of its divisors is an integer number (1937521531008).

Almost surely, 2^{80455439652940} 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 80455439652940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93001033488384).

80455439652940 is an abundant number, since it is smaller than the sum of its proper divisors (105546627323828).

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

80455439652940 is a wasteful number, since it uses less digits than its factorization.

80455439652940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7450639 (or 7450637 counting only the distinct ones).

The product of its (nonzero) digits is 186624000, while the sum is 64.

The spelling of 80455439652940 in words is "eighty trillion, four hundred fifty-five billion, four hundred thirty-nine million, six hundred fifty-two thousand, nine hundred forty".