80103240 has 288 divisors, whose sum is σ = 320112000. Its totient is φ = 17273088.

The previous prime is 80103239. The next prime is 80103241. The reversal of 80103240 is 4230108.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (80103239) and next prime (80103241).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (80103241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 335041 + ... + 335279.

It is an arithmetic number, because the mean of its divisors is an integer number (1111500).

Almost surely, 2^80103240 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 80103240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160056000).

80103240 is an abundant number, since it is smaller than the sum of its proper divisors (240008760).

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

80103240 is a wasteful number, since it uses less digits than its factorization.

80103240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289 (or 275 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 80103240 is about 8950.0413406866. The cubic root of 80103240 is about 431.0722115286.

Adding to 80103240 its reverse (4230108), we get a palindrome (84333348).

The spelling of 80103240 in words is "eighty million, one hundred three thousand, two hundred forty".