234440255512140 has 192 divisors, whose sum is σ = 696193126118784. Its totient is φ = 58742888988672.

The previous prime is 234440255512103. The next prime is 234440255512153. The reversal of 234440255512140 is 41215552044432.

It is a junction number, because it is equal to n+sod(n) for n = 234440255512092 and 234440255512101.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2107897812 + ... + 2108009028.

It is an arithmetic number, because the mean of its divisors is an integer number (3626005865202).

Almost surely, 2^{234440255512140} is an apocalyptic number.

234440255512140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 234440255512140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (348096563059392).

234440255512140 is an abundant number, since it is smaller than the sum of its proper divisors (461752870606644).

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

234440255512140 is a wasteful number, since it uses less digits than its factorization.

234440255512140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114636 (or 114634 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 42.

The spelling of 234440255512140 in words is "two hundred thirty-four trillion, four hundred forty billion, two hundred fifty-five million, five hundred twelve thousand, one hundred forty".