80458650 has 96 divisors (see below), whose sum is σ = 224182080. Its totient is φ = 21216960.

The previous prime is 80458639. The next prime is 80458657. The reversal of 80458650 is 5685408.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (80458657) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 144172 + ... + 144728.

It is an arithmetic number, because the mean of its divisors is an integer number (2335230).

Almost surely, 2^80458650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80458650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112091040).

80458650 is an abundant number, since it is smaller than the sum of its proper divisors (143723430).

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

80458650 is a wasteful number, since it uses less digits than its factorization.

80458650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685 (or 674 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 80458650 is about 8969.8745810630. The cubic root of 80458650 is about 431.7088122579.

The spelling of 80458650 in words is "eighty million, four hundred fifty-eight thousand, six hundred fifty".