109879390944 has 48 divisors (see below), whose sum is σ = 320481559440. Its totient is φ = 36626463360.

The previous prime is 109879390919. The next prime is 109879390961. The reversal of 109879390944 is 449093978901.

109879390944 is a `hidden beast` number, since 1 + 0 + 98 + 79 + 390 + 94 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×109879390944² (a number of 23 digits) contains 22 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 7 ways as a sum of consecutive naturals, for example, 63586747 + ... + 63588474.

It is an arithmetic number, because the mean of its divisors is an integer number (6676699155).

Almost surely, 2^109879390944 is an apocalyptic number.

It is an amenable number.

109879390944 is an abundant number, since it is smaller than the sum of its proper divisors (210602168496).

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

109879390944 is a wasteful number, since it uses less digits than its factorization.

109879390944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127175240 (or 127175226 counting only the distinct ones).

The product of its (nonzero) digits is 17635968, while the sum is 63.

The spelling of 109879390944 in words is "one hundred nine billion, eight hundred seventy-nine million, three hundred ninety thousand, nine hundred forty-four".