12442041032440 has 16 divisors (see below), whose sum is σ = 27994592323080. Its totient is φ = 4976816412960.

The previous prime is 12442041032419. The next prime is 12442041032467. The reversal of 12442041032440 is 4423014024421.

It is a happy number.

It is a super-2 number, since 2×12442041032440² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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, 155525512866 + ... + 155525512945.

Almost surely, 2^{12442041032440} is an apocalyptic number.

12442041032440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12442041032440 is an abundant number, since it is smaller than the sum of its proper divisors (15552551290640).

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

12442041032440 is a wasteful number, since it uses less digits than its factorization.

12442041032440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311051025822 (or 311051025818 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 12442041032440 its reverse (4423014024421), we get a palindrome (16865055056861).

The spelling of 12442041032440 in words is "twelve trillion, four hundred forty-two billion, forty-one million, thirty-two thousand, four hundred forty".