38886649400 has 24 divisors (see below), whose sum is σ = 90411460320. Its totient is φ = 15554659680.

The previous prime is 38886649397. The next prime is 38886649453. The reversal of 38886649400 is 494668883.

It is a happy number.

It is a super-3 number, since 3×38886649400³ (a number of 33 digits) contains 333 as substring.

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 5 ways as a sum of consecutive naturals, for example, 97216424 + ... + 97216823.

It is an arithmetic number, because the mean of its divisors is an integer number (3767144180).

Almost surely, 2^38886649400 is an apocalyptic number.

It is an amenable number.

38886649400 is an abundant number, since it is smaller than the sum of its proper divisors (51524810920).

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

38886649400 is a wasteful number, since it uses less digits than its factorization.

38886649400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194433263 (or 194433254 counting only the distinct ones).

The product of its (nonzero) digits is 7962624, while the sum is 56.

The spelling of 38886649400 in words is "thirty-eight billion, eight hundred eighty-six million, six hundred forty-nine thousand, four hundred".