1242440113110 has 128 divisors (see below), whose sum is σ = 3454645469184. Its totient is φ = 280107504000.

The previous prime is 1242440113099. The next prime is 1242440113111. The reversal of 1242440113110 is 113110442421.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242440113111) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5314707 + ... + 5543553.

It is an arithmetic number, because the mean of its divisors is an integer number (26989417728).

Almost surely, 2^{1242440113110} is an apocalyptic number.

1242440113110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1242440113110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1727322734592).

1242440113110 is an abundant number, since it is smaller than the sum of its proper divisors (2212205356074).

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

1242440113110 is a wasteful number, since it uses less digits than its factorization.

1242440113110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229218.

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 1242440113110 its reverse (113110442421), we get a palindrome (1355550555531).

The spelling of 1242440113110 in words is "one trillion, two hundred forty-two billion, four hundred forty million, one hundred thirteen thousand, one hundred ten".