80440503 has 16 divisors (see below), whose sum is σ = 126005376. Its totient is φ = 45001440.

The previous prime is 80440501. The next prime is 80440531. The reversal of 80440503 is 30504408.

It is a happy number.

It is not a de Polignac number, because 80440503 - 2¹ = 80440501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80440501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93325 + ... + 94182.

It is an arithmetic number, because the mean of its divisors is an integer number (7875336).

Almost surely, 2^80440503 is an apocalyptic number.

80440503 is a deficient number, since it is larger than the sum of its proper divisors (45564873).

80440503 is a wasteful number, since it uses less digits than its factorization.

80440503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187534.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 80440503 is about 8968.8629714139. The cubic root of 80440503 is about 431.6763533121.

The spelling of 80440503 in words is "eighty million, four hundred forty thousand, five hundred three".