80441240 has 32 divisors (see below), whose sum is σ = 197447760. Its totient is φ = 29251200.

The previous prime is 80441239. The next prime is 80441243. The reversal of 80441240 is 4214408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80441243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90971 + ... + 91850.

Almost surely, 2^80441240 is an apocalyptic number.

It is an amenable number.

80441240 is an abundant number, since it is smaller than the sum of its proper divisors (117006520).

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

80441240 is a wasteful number, since it uses less digits than its factorization.

80441240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182843 (or 182839 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 80441240 is about 8968.9040579103. The cubic root of 80441240 is about 431.6776716550.

Adding to 80441240 its reverse (4214408), we get a palindrome (84655648).

The spelling of 80441240 in words is "eighty million, four hundred forty-one thousand, two hundred forty".