1244032543938 has 8 divisors (see below), whose sum is σ = 2488065087888. Its totient is φ = 414677514644.

The previous prime is 1244032543927. The next prime is 1244032543939. The reversal of 1244032543938 is 8393452304421.

It is a sphenic number, since it is the product of 3 distinct primes.

1244032543938 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1244032543939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103669378656 + ... + 103669378667.

It is an arithmetic number, because the mean of its divisors is an integer number (311008135986).

Almost surely, 2^{1244032543938} is an apocalyptic number.

1244032543938 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1244032543938 is a wasteful number, since it uses less digits than its factorization.

1244032543938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207338757328.

The product of its (nonzero) digits is 2488320, while the sum is 48.

The spelling of 1244032543938 in words is "one trillion, two hundred forty-four billion, thirty-two million, five hundred forty-three thousand, nine hundred thirty-eight".