234444133532440 has 64 divisors (see below), whose sum is σ = 597974915512800. Its totient is φ = 82007988406272.

The previous prime is 234444133532417. The next prime is 234444133532443. The reversal of 234444133532440 is 44235331444432.

It is a super-3 number, since 3×234444133532440³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234444133532443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11864571777 + ... + 11864591536.

Almost surely, 2^{234444133532440} is an apocalyptic number.

234444133532440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234444133532440 is an abundant number, since it is smaller than the sum of its proper divisors (363530781980360).

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

234444133532440 is a wasteful number, since it uses less digits than its factorization.

234444133532440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23729163356 (or 23729163352 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 46.

Adding to 234444133532440 its reverse (44235331444432), we get a palindrome (278679464976872).

The spelling of 234444133532440 in words is "two hundred thirty-four trillion, four hundred forty-four billion, one hundred thirty-three million, five hundred thirty-two thousand, four hundred forty".