38743458428644 has 24 divisors (see below), whose sum is σ = 68181437772000. Its totient is φ = 19263052744320.

The previous prime is 38743458428611. The next prime is 38743458428663. The reversal of 38743458428644 is 44682485434783.

It is a happy number.

38743458428644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30809532 + ... + 32042380.

It is an arithmetic number, because the mean of its divisors is an integer number (2840893240500).

Almost surely, 2^{38743458428644} is an apocalyptic number.

It is an amenable number.

38743458428644 is a deficient number, since it is larger than the sum of its proper divisors (29437979343356).

38743458428644 is a wasteful number, since it uses less digits than its factorization.

38743458428644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1276923 (or 1276921 counting only the distinct ones).

The product of its digits is 1981808640, while the sum is 70.

The spelling of 38743458428644 in words is "thirty-eight trillion, seven hundred forty-three billion, four hundred fifty-eight million, four hundred twenty-eight thousand, six hundred forty-four".