236143212440 has 32 divisors (see below), whose sum is σ = 532688130000. Its totient is φ = 94214457984.

The previous prime is 236143212433. The next prime is 236143212511. The reversal of 236143212440 is 44212341632.

It is a junction number, because it is equal to n+sod(n) for n = 236143212397 and 236143212406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7572590 + ... + 7603709.

Almost surely, 2^236143212440 is an apocalyptic number.

236143212440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

236143212440 is an abundant number, since it is smaller than the sum of its proper divisors (296544917560).

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

236143212440 is a wasteful number, since it uses less digits than its factorization.

236143212440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15176699 (or 15176695 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

The spelling of 236143212440 in words is "two hundred thirty-six billion, one hundred forty-three million, two hundred twelve thousand, four hundred forty".