231410144440 has 32 divisors (see below), whose sum is σ = 522608436000. Its totient is φ = 92219949184.

The previous prime is 231410144431. The next prime is 231410144461. The reversal of 231410144440 is 44441014132.

231410144440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 231410144399 and 231410144408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10742500 + ... + 10764019.

It is an arithmetic number, because the mean of its divisors is an integer number (16331513625).

Almost surely, 2^231410144440 is an apocalyptic number.

231410144440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231410144440 is an abundant number, since it is smaller than the sum of its proper divisors (291198291560).

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

231410144440 is a wasteful number, since it uses less digits than its factorization.

231410144440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21506799 (or 21506795 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 231410144440 its reverse (44441014132), we get a palindrome (275851158572).

The spelling of 231410144440 in words is "two hundred thirty-one billion, four hundred ten million, one hundred forty-four thousand, four hundred forty".