38652649878 has 64 divisors (see below), whose sum is σ = 80604216000. Its totient is φ = 12346214400.

The previous prime is 38652649873. The next prime is 38652649909. The reversal of 38652649878 is 87894625683.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38652649873) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 14059248 + ... + 14061996.

It is an arithmetic number, because the mean of its divisors is an integer number (1259440875).

Almost surely, 2^38652649878 is an apocalyptic number.

38652649878 is an abundant number, since it is smaller than the sum of its proper divisors (41951566122).

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

38652649878 is a wasteful number, since it uses less digits than its factorization.

38652649878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3793.

The product of its digits is 139345920, while the sum is 66.

The spelling of 38652649878 in words is "thirty-eight billion, six hundred fifty-two million, six hundred forty-nine thousand, eight hundred seventy-eight".