243004880 has 20 divisors (see below), whose sum is σ = 564986532. Its totient is φ = 97201920.

The previous prime is 243004871. The next prime is 243004967. The reversal of 243004880 is 88400342.

It can be written as a sum of positive squares in 2 ways, for example, as 124456336 + 118548544 = 11156^2 + 10888^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1518701 + ... + 1518860.

Almost surely, 2^243004880 is an apocalyptic number.

243004880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243004880 is an abundant number, since it is smaller than the sum of its proper divisors (321981652).

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

243004880 is a wasteful number, since it uses less digits than its factorization.

243004880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3037574 (or 3037568 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 243004880 is about 15588.6137934070. The cubic root of 243004880 is about 624.0293241753.

The spelling of 243004880 in words is "two hundred forty-three million, four thousand, eight hundred eighty".