38744311785378 has 16 divisors (see below), whose sum is σ = 77665135247040. Its totient is φ = 12885351982416.

The previous prime is 38744311785349. The next prime is 38744311785383. The reversal of 38744311785378 is 87358711344783.

It is a super-2 number, since 2×38744311785378² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7354650325 + ... + 7354655592.

It is an arithmetic number, because the mean of its divisors is an integer number (4854070952940).

Almost surely, 2^{38744311785378} is an apocalyptic number.

38744311785378 is an abundant number, since it is smaller than the sum of its proper divisors (38920823461662).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38744311785378 is a wasteful number, since it uses less digits than its factorization.

38744311785378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14709306361.

The product of its digits is 379330560, while the sum is 69.

The spelling of 38744311785378 in words is "thirty-eight trillion, seven hundred forty-four billion, three hundred eleven million, seven hundred eighty-five thousand, three hundred seventy-eight".