109434867940 has 48 divisors (see below), whose sum is σ = 233016456960. Its totient is φ = 43164092160.

The previous prime is 109434867923. The next prime is 109434867977. The reversal of 109434867940 is 49768434901.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 10154755 + ... + 10165525.

It is an arithmetic number, because the mean of its divisors is an integer number (4854509520).

Almost surely, 2^109434867940 is an apocalyptic number.

109434867940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109434867940 is an abundant number, since it is smaller than the sum of its proper divisors (123581589020).

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

109434867940 is a wasteful number, since it uses less digits than its factorization.

109434867940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17812 (or 17810 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 55.

The spelling of 109434867940 in words is "one hundred nine billion, four hundred thirty-four million, eight hundred sixty-seven thousand, nine hundred forty".