109400720 has 160 divisors (see below), whose sum is σ = 305230464. Its totient is φ = 35942400.

The previous prime is 109400693. The next prime is 109400743. The reversal of 109400720 is 27004901.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 835055 + ... + 835185.

Almost surely, 2^109400720 is an apocalyptic number.

109400720 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 109400720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152615232).

109400720 is an abundant number, since it is smaller than the sum of its proper divisors (195829744).

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

109400720 is a wasteful number, since it uses less digits than its factorization.

109400720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241 (or 235 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 109400720 is about 10459.4799105883. The cubic root of 109400720 is about 478.2702789190.

The spelling of 109400720 in words is "one hundred nine million, four hundred thousand, seven hundred twenty".