38156689305 has 48 divisors (see below), whose sum is σ = 78909085440. Its totient is φ = 17443054944.

The previous prime is 38156689283. The next prime is 38156689313. The reversal of 38156689305 is 50398665183.

38156689305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 38156689305 - 2¹⁴ = 38156672921 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2877489 + ... + 2890718.

It is an arithmetic number, because the mean of its divisors is an integer number (1643939280).

Almost surely, 2^38156689305 is an apocalyptic number.

38156689305 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

38156689305 is an abundant number, since it is smaller than the sum of its proper divisors (40752396135).

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

38156689305 is a wasteful number, since it uses less digits than its factorization.

38156689305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5768235 (or 5768222 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 54.

The spelling of 38156689305 in words is "thirty-eight billion, one hundred fifty-six million, six hundred eighty-nine thousand, three hundred five".