38701849840 has 40 divisors (see below), whose sum is σ = 89998056720. Its totient is φ = 15477943296.

The previous prime is 38701849727. The next prime is 38701849853. The reversal of 38701849840 is 4894810783.

It is a tau number, because it is divible by the number of its divisors (40).

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 7 ways as a sum of consecutive naturals, for example, 434392 + ... + 515848.

It is an arithmetic number, because the mean of its divisors is an integer number (2249951418).

Almost surely, 2^38701849840 is an apocalyptic number.

It is an amenable number.

38701849840 is an abundant number, since it is smaller than the sum of its proper divisors (51296206880).

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

38701849840 is a wasteful number, since it uses less digits than its factorization.

38701849840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87409 (or 87403 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 52.

The spelling of 38701849840 in words is "thirty-eight billion, seven hundred one million, eight hundred forty-nine thousand, eight hundred forty".