4311240343040 has 160 divisors (see below), whose sum is σ = 10967826228480. Its totient is φ = 1619658932224.

The previous prime is 4311240342947. The next prime is 4311240343093. The reversal of 4311240343040 is 403430421134.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (160).

It is a junction number, because it is equal to n+sod(n) for n = 4311240342994 and 4311240343012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20742674 + ... + 20949486.

It is an arithmetic number, because the mean of its divisors is an integer number (68548913928).

Almost surely, 2^{4311240343040} is an apocalyptic number.

4311240343040 is a gapful number since it is divisible by the number (40) 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 4311240343040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5483913114240).

4311240343040 is an abundant number, since it is smaller than the sum of its proper divisors (6656585885440).

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

4311240343040 is a wasteful number, since it uses less digits than its factorization.

4311240343040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207332 (or 207316 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 4311240343040 its reverse (403430421134), we get a palindrome (4714670764174).

The spelling of 4311240343040 in words is "four trillion, three hundred eleven billion, two hundred forty million, three hundred forty-three thousand, forty".