80944240 has 60 divisors (see below), whose sum is σ = 203819544. Its totient is φ = 29882112.

The previous prime is 80944223. The next prime is 80944243. The reversal of 80944240 is 4244908.

It is a super-4 number, since 4×80944240⁴ (a number of 33 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80944243) 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, 10527 + ... + 16513.

Almost surely, 2^80944240 is an apocalyptic number.

80944240 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80944240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101909772).

80944240 is an abundant number, since it is smaller than the sum of its proper divisors (122875304).

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

80944240 is a wasteful number, since it uses less digits than its factorization.

80944240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6026 (or 6007 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 80944240 is about 8996.9016889149. The cubic root of 80944240 is about 432.5755645532.

The spelling of 80944240 in words is "eighty million, nine hundred forty-four thousand, two hundred forty".