38729049020 has 48 divisors (see below), whose sum is σ = 81736572288. Its totient is φ = 15414520320.

The previous prime is 38729049013. The next prime is 38729049043. The reversal of 38729049020 is 2094092783.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 4619072 + ... + 4627448.

It is an arithmetic number, because the mean of its divisors is an integer number (1702845256).

Almost surely, 2^38729049020 is an apocalyptic number.

It is an amenable number.

38729049020 is an abundant number, since it is smaller than the sum of its proper divisors (43007523268).

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

38729049020 is a wasteful number, since it uses less digits than its factorization.

38729049020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9510 (or 9508 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 44.

The spelling of 38729049020 in words is "thirty-eight billion, seven hundred twenty-nine million, forty-nine thousand, twenty".