12041342440 has 32 divisors (see below), whose sum is σ = 27306362880. Its totient is φ = 4778609472.

The previous prime is 12041342393. The next prime is 12041342459. The reversal of 12041342440 is 4424314021.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1180092 + ... + 1190251.

It is an arithmetic number, because the mean of its divisors is an integer number (853323840).

Almost surely, 2^12041342440 is an apocalyptic number.

12041342440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12041342440 is an abundant number, since it is smaller than the sum of its proper divisors (15265020440).

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

12041342440 is a wasteful number, since it uses less digits than its factorization.

12041342440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2370481 (or 2370477 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 12041342440 its reverse (4424314021), we get a palindrome (16465656461).

The spelling of 12041342440 in words is "twelve billion, forty-one million, three hundred forty-two thousand, four hundred forty".