38644276364 has 6 divisors (see below), whose sum is σ = 67627483644. Its totient is φ = 19322138180.

The previous prime is 38644276361. The next prime is 38644276369. The reversal of 38644276364 is 46367244683.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (38644276361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4830534542 + ... + 4830534549.

It is an arithmetic number, because the mean of its divisors is an integer number (11271247274).

Almost surely, 2^38644276364 is an apocalyptic number.

It is an amenable number.

38644276364 is a deficient number, since it is larger than the sum of its proper divisors (28983207280).

38644276364 is a wasteful number, since it uses less digits than its factorization.

38644276364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9661069095 (or 9661069093 counting only the distinct ones).

The product of its digits is 13934592, while the sum is 53.

The spelling of 38644276364 in words is "thirty-eight billion, six hundred forty-four million, two hundred seventy-six thousand, three hundred sixty-four".