80440300 has 36 divisors (see below), whose sum is σ = 183746920. Its totient is φ = 30481920.

The previous prime is 80440279. The next prime is 80440301. The reversal of 80440300 is 304408.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80440301) 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, 19269 + ... + 23068.

Almost surely, 2^80440300 is an apocalyptic number.

It is an amenable number.

80440300 is an abundant number, since it is smaller than the sum of its proper divisors (103306620).

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

80440300 is a wasteful number, since it uses less digits than its factorization.

80440300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42370 (or 42363 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 80440300 is about 8968.8516544762. The cubic root of 80440300 is about 431.6759901850.

Adding to 80440300 its reverse (304408), we get a palindrome (80744708).

The spelling of 80440300 in words is "eighty million, four hundred forty thousand, three hundred".