80452944 has 120 divisors (see below), whose sum is σ = 264587232. Its totient is φ = 22498560.

The previous prime is 80452943. The next prime is 80452963. The reversal of 80452944 is 44925408.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 80452899 and 80452908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80452943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18639 + ... + 22545.

Almost surely, 2^80452944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80452944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132293616).

80452944 is an abundant number, since it is smaller than the sum of its proper divisors (184134288).

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

80452944 is a wasteful number, since it uses less digits than its factorization.

80452944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3945 (or 3936 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 80452944 is about 8969.5565107758. The cubic root of 80452944 is about 431.6986066483.

The spelling of 80452944 in words is "eighty million, four hundred fifty-two thousand, nine hundred forty-four".