80085044 has 30 divisors (see below), whose sum is σ = 152044074. Its totient is φ = 36909600.

The previous prime is 80085041. The next prime is 80085073. The reversal of 80085044 is 44058008.

It can be written as a sum of positive squares in 5 ways, for example, as 54582544 + 25502500 = 7388^2 + 5050^2 .

It is a super-2 number, since 2×80085044² = 12827228544963872, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 80084998 and 80085016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80085041) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 113894 + ... + 114594.

Almost surely, 2^80085044 is an apocalyptic number.

It is an amenable number.

80085044 is a deficient number, since it is larger than the sum of its proper divisors (71959030).

80085044 is an equidigital number, since it uses as much as digits as its factorization.

80085044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757 (or 716 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 29.

The square root of 80085044 is about 8949.0247513346. The cubic root of 80085044 is about 431.0395687209.

The spelling of 80085044 in words is "eighty million, eighty-five thousand, forty-four".