243070464 has 320 divisors, whose sum is σ = 835946496. Its totient is φ = 61046784.

The previous prime is 243070453. The next prime is 243070483. The reversal of 243070464 is 464070342.

243070464 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5171689 + ... + 5171735.

Almost surely, 2^243070464 is an apocalyptic number.

243070464 is a gapful number since it is divisible by the number (24) 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 243070464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (417973248).

243070464 is an abundant number, since it is smaller than the sum of its proper divisors (592876032).

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

243070464 is a wasteful number, since it uses less digits than its factorization.

243070464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125 (or 109 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 30.

The square root of 243070464 is about 15590.7172381517. The cubic root of 243070464 is about 624.0854583812.

The spelling of 243070464 in words is "two hundred forty-three million, seventy thousand, four hundred sixty-four".