80520244 has 24 divisors (see below), whose sum is σ = 163683968. Its totient is φ = 33942240.

The previous prime is 80520229. The next prime is 80520257. The reversal of 80520244 is 44202508.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21864 + ... + 25279.

Almost surely, 2^80520244 is an apocalyptic number.

It is an amenable number.

80520244 is an abundant number, since it is smaller than the sum of its proper divisors (83163724).

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

80520244 is a wasteful number, since it uses less digits than its factorization.

80520244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47215 (or 47213 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 80520244 is about 8973.3073055591. The cubic root of 80520244 is about 431.8189470501.

The spelling of 80520244 in words is "eighty million, five hundred twenty thousand, two hundred forty-four".