109240997990 has 32 divisors (see below), whose sum is σ = 207023130720. Its totient is φ = 41388551424.

The previous prime is 109240997989. The next prime is 109240998017. The reversal of 109240997990 is 99799042901.

109240997990 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 975362 + ... + 1081578.

It is an arithmetic number, because the mean of its divisors is an integer number (6469472835).

Almost surely, 2^109240997990 is an apocalyptic number.

109240997990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

109240997990 is a deficient number, since it is larger than the sum of its proper divisors (97782132730).

109240997990 is a wasteful number, since it uses less digits than its factorization.

109240997990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111656.

The product of its (nonzero) digits is 3306744, while the sum is 59.

The spelling of 109240997990 in words is "one hundred nine billion, two hundred forty million, nine hundred ninety-seven thousand, nine hundred ninety".