38790040278529 has 4 divisors (see below), whose sum is σ = 40831621345840. Its totient is φ = 36748459211220.

The previous prime is 38790040278527. The next prime is 38790040278623. The reversal of 38790040278529 is 92587204009783.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 38790040278529 - 2¹ = 38790040278527 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38790040278527) 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, 1020790533627 + ... + 1020790533664.

It is an arithmetic number, because the mean of its divisors is an integer number (10207905336460).

Almost surely, 2^{38790040278529} is an apocalyptic number.

It is an amenable number.

38790040278529 is a deficient number, since it is larger than the sum of its proper divisors (2041581067311).

38790040278529 is a wasteful number, since it uses less digits than its factorization.

38790040278529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2041581067310.

The product of its (nonzero) digits is 60963840, while the sum is 64.

The spelling of 38790040278529 in words is "thirty-eight trillion, seven hundred ninety billion, forty million, two hundred seventy-eight thousand, five hundred twenty-nine".