109634420376 has 128 divisors (see below), whose sum is σ = 328439966400. Its totient is φ = 33684940800.

The previous prime is 109634420359. The next prime is 109634420377. The reversal of 109634420376 is 673024436901.

109634420376 is a `hidden beast` number, since 1 + 0 + 9 + 634 + 4 + 2 + 0 + 3 + 7 + 6 = 666.

109634420376 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×109634420376² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109634420377) 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, 1940560 + ... + 1996256.

Almost surely, 2^109634420376 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109634420376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164219983200).

109634420376 is an abundant number, since it is smaller than the sum of its proper divisors (218805546024).

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

109634420376 is a wasteful number, since it uses less digits than its factorization.

109634420376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56426 (or 56416 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 45.

The spelling of 109634420376 in words is "one hundred nine billion, six hundred thirty-four million, four hundred twenty thousand, three hundred seventy-six".