80441564 has 24 divisors (see below), whose sum is σ = 162365280. Its totient is φ = 34157376.

The previous prime is 80441561. The next prime is 80441567. The reversal of 80441564 is 46514408.

It is an interprime number because it is at equal distance from previous prime (80441561) and next prime (80441567).

It is a self number, because there is not a number n which added to its sum of digits gives 80441564.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80441561) 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, 10127 + ... + 16230.

It is an arithmetic number, because the mean of its divisors is an integer number (6765220).

Almost surely, 2^80441564 is an apocalyptic number.

It is an amenable number.

80441564 is an abundant number, since it is smaller than the sum of its proper divisors (81923716).

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

80441564 is a wasteful number, since it uses less digits than its factorization.

80441564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26477 (or 26475 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 80441564 is about 8968.9221202996. The cubic root of 80441564 is about 431.6782512225.

The spelling of 80441564 in words is "eighty million, four hundred forty-one thousand, five hundred sixty-four".