243470080 has 144 divisors (see below), whose sum is σ = 690217920. Its totient is φ = 80510976.

The previous prime is 243470057. The next prime is 243470081. The reversal of 243470080 is 80074342.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243470081) 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, 259372 + ... + 260308.

It is an arithmetic number, because the mean of its divisors is an integer number (4793180).

Almost surely, 2^243470080 is an apocalyptic number.

243470080 is a gapful number since it is divisible by the number (20) 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 243470080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (345108960).

243470080 is an abundant number, since it is smaller than the sum of its proper divisors (446747840).

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

243470080 is an equidigital number, since it uses as much as digits as its factorization.

243470080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 994 (or 980 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 243470080 is about 15603.5278062366. The cubic root of 243470080 is about 624.4272769416.

The spelling of 243470080 in words is "two hundred forty-three million, four hundred seventy thousand, eighty".