234424440140 has 24 divisors (see below), whose sum is σ = 537045081552. Its totient is φ = 85245250880.

The previous prime is 234424440139. The next prime is 234424440143. The reversal of 234424440140 is 41044424432.

It is a junction number, because it is equal to n+sod(n) for n = 234424440097 and 234424440106.

It is not an unprimeable number, because it can be changed into a prime (234424440143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 532782599 + ... + 532783038.

It is an arithmetic number, because the mean of its divisors is an integer number (22376878398).

Almost surely, 2^234424440140 is an apocalyptic number.

234424440140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234424440140 is an abundant number, since it is smaller than the sum of its proper divisors (302620641412).

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

234424440140 is a wasteful number, since it uses less digits than its factorization.

234424440140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065565657 (or 1065565655 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 234424440140 its reverse (41044424432), we get a palindrome (275468864572).

The spelling of 234424440140 in words is "two hundred thirty-four billion, four hundred twenty-four million, four hundred forty thousand, one hundred forty".