80424144 has 160 divisors (see below), whose sum is σ = 250698240. Its totient is φ = 24588288.

The previous prime is 80424143. The next prime is 80424193. The reversal of 80424144 is 44142408.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80424143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 345052 + ... + 345284.

It is an arithmetic number, because the mean of its divisors is an integer number (1566864).

Almost surely, 2^80424144 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 80424144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125349120).

80424144 is an abundant number, since it is smaller than the sum of its proper divisors (170274096).

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

80424144 is a wasteful number, since it uses less digits than its factorization.

80424144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314 (or 302 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

The square root of 80424144 is about 8967.9509365295. The cubic root of 80424144 is about 431.6470883193.

The spelling of 80424144 in words is "eighty million, four hundred twenty-four thousand, one hundred forty-four".