80528363442 has 96 divisors (see below), whose sum is σ = 186454794240. Its totient is φ = 25044012000.

The previous prime is 80528363441. The next prime is 80528363449. The reversal of 80528363442 is 24436382508.

80528363442 is a `hidden beast` number, since 8 + 0 + 5 + 2 + 8 + 3 + 634 + 4 + 2 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (80528363441) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 38145967 + ... + 38148077.

It is an arithmetic number, because the mean of its divisors is an integer number (1942237440).

Almost surely, 2^80528363442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80528363442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93227397120).

80528363442 is an abundant number, since it is smaller than the sum of its proper divisors (105926430798).

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

80528363442 is a wasteful number, since it uses less digits than its factorization.

80528363442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3780 (or 3777 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 45.

The spelling of 80528363442 in words is "eighty billion, five hundred twenty-eight million, three hundred sixty-three thousand, four hundred forty-two".