80536446 has 24 divisors (see below), whose sum is σ = 184760784. Its totient is φ = 25266240.

The previous prime is 80536441. The next prime is 80536499. The reversal of 80536446 is 64463508.

80536446 is a `hidden beast` number, since 8 + 0 + 5 + 3 + 644 + 6 = 666.

It is a super-2 number, since 2×80536446² = 12972238268621832, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 80536446.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80536441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 131290 + ... + 131901.

It is an arithmetic number, because the mean of its divisors is an integer number (7698366).

Almost surely, 2^80536446 is an apocalyptic number.

80536446 is an abundant number, since it is smaller than the sum of its proper divisors (104224338).

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

80536446 is a wasteful number, since it uses less digits than its factorization.

80536446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263216 (or 263213 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 80536446 is about 8974.2100488010. The cubic root of 80536446 is about 431.8479081371.

The spelling of 80536446 in words is "eighty million, five hundred thirty-six thousand, four hundred forty-six".