38445942794452 has 24 divisors (see below), whose sum is σ = 67974584103720. Its totient is φ = 19024636385280.

The previous prime is 38445942794443. The next prime is 38445942794477. The reversal of 38445942794452 is 25449724954483.

38445942794452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 78374242116 + 38367568552336 = 279954^2 + 6194156^2 .

It is a congruent number.

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, 55375302 + ... + 56065282.

It is an arithmetic number, because the mean of its divisors is an integer number (2832274337655).

Almost surely, 2^{38445942794452} is an apocalyptic number.

It is an amenable number.

38445942794452 is a deficient number, since it is larger than the sum of its proper divisors (29528641309268).

38445942794452 is a wasteful number, since it uses less digits than its factorization.

38445942794452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833691 (or 833689 counting only the distinct ones).

The product of its digits is 1393459200, while the sum is 70.

The spelling of 38445942794452 in words is "thirty-eight trillion, four hundred forty-five billion, nine hundred forty-two million, seven hundred ninety-four thousand, four hundred fifty-two".