38738030994 has 48 divisors (see below), whose sum is σ = 90408695832. Its totient is φ = 11916762624.

The previous prime is 38738030987. The next prime is 38738031071. The reversal of 38738030994 is 49903083783.

It can be written as a sum of positive squares in 4 ways, for example, as 33968333025 + 4769697969 = 184305^2 + 69063^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 38738030994.

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 23 ways as a sum of consecutive naturals, for example, 1223872 + ... + 1255124.

Almost surely, 2^38738030994 is an apocalyptic number.

38738030994 is an abundant number, since it is smaller than the sum of its proper divisors (51670664838).

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

38738030994 is a wasteful number, since it uses less digits than its factorization.

38738030994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36571 (or 36568 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 54.

The spelling of 38738030994 in words is "thirty-eight billion, seven hundred thirty-eight million, thirty thousand, nine hundred ninety-four".