243241032402 has 32 divisors (see below), whose sum is σ = 541044255360. Its totient is φ = 81004050000.

The previous prime is 243241032389. The next prime is 243241032413. The reversal of 243241032402 is 204230142342.

243241032402 is a `hidden beast` number, since 2 + 4 + 3 + 2 + 410 + 3 + 240 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2061349 + ... + 2176152.

It is an arithmetic number, because the mean of its divisors is an integer number (16907632980).

Almost surely, 2^243241032402 is an apocalyptic number.

243241032402 is an abundant number, since it is smaller than the sum of its proper divisors (297803222958).

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

243241032402 is a wasteful number, since it uses less digits than its factorization.

243241032402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4238575 (or 4238569 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 243241032402 its reverse (204230142342), we get a palindrome (447471174744).

The spelling of 243241032402 in words is "two hundred forty-three billion, two hundred forty-one million, thirty-two thousand, four hundred two".