243048792864 has 48 divisors (see below), whose sum is σ = 651577627008. Its totient is φ = 79292512512.

The previous prime is 243048792863. The next prime is 243048792919. The reversal of 243048792864 is 468297840342.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (243048792863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26929087 + ... + 26938110.

It is an arithmetic number, because the mean of its divisors is an integer number (13574533896).

Almost surely, 2^243048792864 is an apocalyptic number.

243048792864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

243048792864 is an abundant number, since it is smaller than the sum of its proper divisors (408528834144).

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

243048792864 is a wasteful number, since it uses less digits than its factorization.

243048792864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53867257 (or 53867249 counting only the distinct ones).

The product of its (nonzero) digits is 18579456, while the sum is 57.

The spelling of 243048792864 in words is "two hundred forty-three billion, forty-eight million, seven hundred ninety-two thousand, eight hundred sixty-four".