108421388443008 has 96 divisors (see below), whose sum is σ = 312645184862400. Its totient is φ = 36065012812800.

The previous prime is 108421388443003. The next prime is 108421388443021. The reversal of 108421388443008 is 800344883124801.

108421388443008 is a `hidden beast` number, since 1 + 0 + 8 + 4 + 213 + 88 + 44 + 300 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108421388443003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97690143 + ... + 98793758.

It is an arithmetic number, because the mean of its divisors is an integer number (3256720675650).

Almost surely, 2^{108421388443008} is an apocalyptic number.

108421388443008 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

108421388443008 is an abundant number, since it is smaller than the sum of its proper divisors (204223796419392).

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

108421388443008 is a wasteful number, since it uses less digits than its factorization.

108421388443008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196484400 (or 196484385 counting only the distinct ones).

The product of its (nonzero) digits is 4718592, while the sum is 54.

The spelling of 108421388443008 in words is "one hundred eight trillion, four hundred twenty-one billion, three hundred eighty-eight million, four hundred forty-three thousand, eight".