38449987932 has 48 divisors (see below), whose sum is σ = 96196584960. Its totient is φ = 11910043392.

The previous prime is 38449987897. The next prime is 38449987967. The reversal of 38449987932 is 23978994483.

It is an interprime number because it is at equal distance from previous prime (38449987897) and next prime (38449987967).

It is a Smith number, since the sum of its digits (66) coincides with the sum of the digits of its prime factors.

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, 1176798 + ... + 1209029.

It is an arithmetic number, because the mean of its divisors is an integer number (2004095520).

Almost surely, 2^38449987932 is an apocalyptic number.

It is an amenable number.

38449987932 is an abundant number, since it is smaller than the sum of its proper divisors (57746597028).

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

38449987932 is a wasteful number, since it uses less digits than its factorization.

38449987932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2385930 (or 2385928 counting only the distinct ones).

The product of its digits is 94058496, while the sum is 66.

The spelling of 38449987932 in words is "thirty-eight billion, four hundred forty-nine million, nine hundred eighty-seven thousand, nine hundred thirty-two".