108438994944 has 420 divisors, whose sum is σ = 371896013104. Its totient is φ = 30958682112.

The previous prime is 108438994931. The next prime is 108438994967. The reversal of 108438994944 is 449499834801.

108438994944 is a `hidden beast` number, since 1 + 0 + 84 + 389 + 94 + 94 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

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 27 ways as a sum of consecutive naturals, for example, 83606904 + ... + 83608200.

Almost surely, 2^108438994944 is an apocalyptic number.

108438994944 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 108438994944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185948006552).

108438994944 is an abundant number, since it is smaller than the sum of its proper divisors (263457018160).

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

108438994944 is an frugal number, since it uses more digits than its factorization.

108438994944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1350 (or 1309 counting only the distinct ones).

The product of its (nonzero) digits is 35831808, while the sum is 63.

The spelling of 108438994944 in words is "one hundred eight billion, four hundred thirty-eight million, nine hundred ninety-four thousand, nine hundred forty-four".