80940288 has 216 divisors, whose sum is σ = 258803104. Its totient is φ = 22302720.

The previous prime is 80940269. The next prime is 80940313. The reversal of 80940288 is 88204908.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1208031 + ... + 1208097.

Almost surely, 2^80940288 is an apocalyptic number.

80940288 is a gapful number since it is divisible by the number (88) 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 80940288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129401552).

80940288 is an abundant number, since it is smaller than the sum of its proper divisors (177862816).

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

80940288 is a wasteful number, since it uses less digits than its factorization.

80940288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121 (or 96 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 39.

The square root of 80940288 is about 8996.6820550690. The cubic root of 80940288 is about 432.5685244539.

The spelling of 80940288 in words is "eighty million, nine hundred forty thousand, two hundred eighty-eight".