109450129408 has 52 divisors (see below), whose sum is σ = 220811405328. Its totient is φ = 54240542720.

The previous prime is 109450129403. The next prime is 109450129429. The reversal of 109450129408 is 804921054901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109450129403) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 344613 + ... + 581083.

Almost surely, 2^109450129408 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 109450129408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110405702664).

109450129408 is an abundant number, since it is smaller than the sum of its proper divisors (111361275920).

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

109450129408 is an equidigital number, since it uses as much as digits as its factorization.

109450129408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236608 (or 236586 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 43.

The spelling of 109450129408 in words is "one hundred nine billion, four hundred fifty million, one hundred twenty-nine thousand, four hundred eight".