243155042010 has 96 divisors (see below), whose sum is σ = 670717532160. Its totient is φ = 60944897664.

The previous prime is 243155041973. The next prime is 243155042047. The reversal of 243155042010 is 10240551342.

It is an interprime number because it is at equal distance from previous prime (243155041973) and next prime (243155042047).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 342657 + ... + 776996.

It is an arithmetic number, because the mean of its divisors is an integer number (6986640960).

Almost surely, 2^243155042010 is an apocalyptic number.

243155042010 is an abundant number, since it is smaller than the sum of its proper divisors (427562490150).

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

243155042010 is a wasteful number, since it uses less digits than its factorization.

243155042010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1119812 (or 1119809 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 243155042010 its reverse (10240551342), we get a palindrome (253395593352).

The spelling of 243155042010 in words is "two hundred forty-three billion, one hundred fifty-five million, forty-two thousand, ten".