240166400430172 has 12 divisors (see below), whose sum is σ = 424624099730320. Its totient is φ = 118845229078656.

The previous prime is 240166400430109. The next prime is 240166400430239. The reversal of 240166400430172 is 271034004661042.

It is a happy number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 309492783672 + ... + 309492784447.

Almost surely, 2^{240166400430172} is an apocalyptic number.

It is an amenable number.

240166400430172 is a deficient number, since it is larger than the sum of its proper divisors (184457699300148).

240166400430172 is a wasteful number, since it uses less digits than its factorization.

240166400430172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618985568220 (or 618985568218 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 40.

The spelling of 240166400430172 in words is "two hundred forty trillion, one hundred sixty-six billion, four hundred million, four hundred thirty thousand, one hundred seventy-two".