38140756666534 has 16 divisors (see below), whose sum is σ = 57564597670272. Its totient is φ = 18952845867648.

The previous prime is 38140756666501. The next prime is 38140756666589. The reversal of 38140756666534 is 43566665704183.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 71841249 + ... + 72370204.

It is an arithmetic number, because the mean of its divisors is an integer number (3597787354392).

Almost surely, 2^{38140756666534} is an apocalyptic number.

38140756666534 is a deficient number, since it is larger than the sum of its proper divisors (19423841003738).

38140756666534 is a wasteful number, since it uses less digits than its factorization.

38140756666534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144212271.

The product of its (nonzero) digits is 261273600, while the sum is 64.

The spelling of 38140756666534 in words is "thirty-eight trillion, one hundred forty billion, seven hundred fifty-six million, six hundred sixty-six thousand, five hundred thirty-four".