120103242440 has 16 divisors (see below), whose sum is σ = 270232295580. Its totient is φ = 48041296960.

The previous prime is 120103242419. The next prime is 120103242487. The reversal of 120103242440 is 44242301021.

It can be written as a sum of positive squares in 2 ways, for example, as 112752237796 + 7351004644 = 335786^2 + 85738^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1501290491 + ... + 1501290570.

Almost surely, 2^120103242440 is an apocalyptic number.

120103242440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120103242440 is an abundant number, since it is smaller than the sum of its proper divisors (150129053140).

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

120103242440 is a wasteful number, since it uses less digits than its factorization.

120103242440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3002581072 (or 3002581068 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 120103242440 its reverse (44242301021), we get a palindrome (164345543461).

The spelling of 120103242440 in words is "one hundred twenty billion, one hundred three million, two hundred forty-two thousand, four hundred forty".