12444034040400 has 60 divisors (see below), whose sum is σ = 39862389046592. Its totient is φ = 3318409077120.

The previous prime is 12444034040393. The next prime is 12444034040411. The reversal of 12444034040400 is 404043044421.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5185012984 + ... + 5185015383.

Almost surely, 2^{12444034040400} is an apocalyptic number.

12444034040400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12444034040400 is an abundant number, since it is smaller than the sum of its proper divisors (27418355006192).

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

12444034040400 is a wasteful number, since it uses less digits than its factorization.

12444034040400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10370028388 (or 10370028377 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 12444034040400 its reverse (404043044421), we get a palindrome (12848077084821).

The spelling of 12444034040400 in words is "twelve trillion, four hundred forty-four billion, thirty-four million, forty thousand, four hundred".