4240321112440 has 96 divisors (see below), whose sum is σ = 11102884773120. Its totient is φ = 1453235788032.

The previous prime is 4240321112411. The next prime is 4240321112491. The reversal of 4240321112440 is 442111230424.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 4240321112399 and 4240321112408.

It is a congruent number.

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, 4418217 + ... + 5291623.

It is an arithmetic number, because the mean of its divisors is an integer number (115655049720).

Almost surely, 2^{4240321112440} is an apocalyptic number.

4240321112440 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 4240321112440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5551442386560).

4240321112440 is an abundant number, since it is smaller than the sum of its proper divisors (6862563660680).

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

4240321112440 is a wasteful number, since it uses less digits than its factorization.

4240321112440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 875909 (or 875898 counting only the distinct ones).

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

Adding to 4240321112440 its reverse (442111230424), we get a palindrome (4682432342864).

The spelling of 4240321112440 in words is "four trillion, two hundred forty billion, three hundred twenty-one million, one hundred twelve thousand, four hundred forty".