38969061408 has 72 divisors (see below), whose sum is σ = 116650825200. Its totient is φ = 12306017664.

The previous prime is 38969061401. The next prime is 38969061409. The reversal of 38969061408 is 80416096983.

38969061408 is a `hidden beast` number, since 3 + 8 + 96 + 90 + 61 + 408 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (38969061401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3555298 + ... + 3566241.

It is an arithmetic number, because the mean of its divisors is an integer number (1620150350).

Almost surely, 2^38969061408 is an apocalyptic number.

38969061408 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

38969061408 is an abundant number, since it is smaller than the sum of its proper divisors (77681763792).

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

38969061408 is a wasteful number, since it uses less digits than its factorization.

38969061408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7121574 (or 7121563 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 54.

The spelling of 38969061408 in words is "thirty-eight billion, nine hundred sixty-nine million, sixty-one thousand, four hundred eight".