109263840 has 192 divisors, whose sum is σ = 406425600. Its totient is φ = 24145920.

The previous prime is 109263839. The next prime is 109263863. The reversal of 109263840 is 48362901.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 103636 + ... + 104684.

It is an arithmetic number, because the mean of its divisors is an integer number (2116800).

Almost surely, 2^109263840 is an apocalyptic number.

109263840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109263840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203212800).

109263840 is an abundant number, since it is smaller than the sum of its proper divisors (297161760).

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

109263840 is a wasteful number, since it uses less digits than its factorization.

109263840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105 (or 1097 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 109263840 is about 10452.9345162017. The cubic root of 109263840 is about 478.0707282583.

The spelling of 109263840 in words is "one hundred nine million, two hundred sixty-three thousand, eight hundred forty".