13042445105400 has 48 divisors (see below), whose sum is σ = 40431579828600. Its totient is φ = 3477985361280.

The previous prime is 13042445105381. The next prime is 13042445105407. The reversal of 13042445105400 is 450154424031.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13042445105407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10868703655 + ... + 10868704854.

Almost surely, 2^{13042445105400} is an apocalyptic number.

13042445105400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13042445105400 is an abundant number, since it is smaller than the sum of its proper divisors (27389134723200).

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

13042445105400 is a wasteful number, since it uses less digits than its factorization.

13042445105400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21737408528 (or 21737408519 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 33.

Adding to 13042445105400 its reverse (450154424031), we get a palindrome (13492599529431).

The spelling of 13042445105400 in words is "thirteen trillion, forty-two billion, four hundred forty-five million, one hundred five thousand, four hundred".