38840735738 has 32 divisors (see below), whose sum is σ = 68224705920. Its totient is φ = 16236080640.

The previous prime is 38840735723. The next prime is 38840735741. The reversal of 38840735738 is 83753704883.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4707845 + ... + 4716087.

It is an arithmetic number, because the mean of its divisors is an integer number (2132022060).

Almost surely, 2^38840735738 is an apocalyptic number.

38840735738 is a deficient number, since it is larger than the sum of its proper divisors (29383970182).

38840735738 is a wasteful number, since it uses less digits than its factorization.

38840735738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16502.

The product of its (nonzero) digits is 13547520, while the sum is 56.

The spelling of 38840735738 in words is "thirty-eight billion, eight hundred forty million, seven hundred thirty-five thousand, seven hundred thirty-eight".