109745440 has 48 divisors (see below), whose sum is σ = 296315712. Its totient is φ = 37626624.

The previous prime is 109745431. The next prime is 109745453. The reversal of 109745440 is 44547901.

It is a junction number, because it is equal to n+sod(n) for n = 109745396 and 109745405.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47874 + ... + 50113.

It is an arithmetic number, because the mean of its divisors is an integer number (6173244).

Almost surely, 2^109745440 is an apocalyptic number.

109745440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109745440 is an abundant number, since it is smaller than the sum of its proper divisors (186570272).

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

109745440 is an equidigital number, since it uses as much as digits as its factorization.

109745440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98009 (or 98001 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 109745440 is about 10475.9457806921. The cubic root of 109745440 is about 478.7720930025.

The spelling of 109745440 in words is "one hundred nine million, seven hundred forty-five thousand, four hundred forty".