234143240040 has 96 divisors (see below), whose sum is σ = 761464360800. Its totient is φ = 62397267840.

The previous prime is 234143240011. The next prime is 234143240059. The reversal of 234143240040 is 40042341432.

It is a happy number.

234143240040 is a `hidden beast` number, since 2 + 3 + 414 + 3 + 240 + 0 + 4 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 234143239986 and 234143240013.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 338751 + ... + 763569.

It is an arithmetic number, because the mean of its divisors is an integer number (7931920425).

Almost surely, 2^234143240040 is an apocalyptic number.

234143240040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234143240040 is an abundant number, since it is smaller than the sum of its proper divisors (527321120760).

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

234143240040 is a wasteful number, since it uses less digits than its factorization.

234143240040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426367 (or 426360 counting only the distinct ones).

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

Adding to 234143240040 its reverse (40042341432), we get a palindrome (274185581472).

The spelling of 234143240040 in words is "two hundred thirty-four billion, one hundred forty-three million, two hundred forty thousand, forty".