243381052080 has 160 divisors (see below), whose sum is σ = 865355089920. Its totient is φ = 62807996160.

The previous prime is 243381052037. The next prime is 243381052091. The reversal of 243381052080 is 80250183342.

243381052080 is a `hidden beast` number, since 2 + 43 + 3 + 8 + 10 + 520 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 1750402 + ... + 1884321.

It is an arithmetic number, because the mean of its divisors is an integer number (5408469312).

Almost surely, 2^243381052080 is an apocalyptic number.

243381052080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243381052080 is an abundant number, since it is smaller than the sum of its proper divisors (621974037840).

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

243381052080 is a wasteful number, since it uses less digits than its factorization.

243381052080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3634776 (or 3634764 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The spelling of 243381052080 in words is "two hundred forty-three billion, three hundred eighty-one million, fifty-two thousand, eighty".