109488420 has 36 divisors (see below), whose sum is σ = 332115420. Its totient is φ = 29196864.

The previous prime is 109488403. The next prime is 109488433. The reversal of 109488420 is 24884901.

It can be written as a sum of positive squares in 2 ways, for example, as 24443136 + 85045284 = 4944^2 + 9222^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×109488420² = 23975428228192800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 303955 + ... + 304314.

Almost surely, 2^109488420 is an apocalyptic number.

109488420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109488420 is an abundant number, since it is smaller than the sum of its proper divisors (222627000).

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

109488420 is a wasteful number, since it uses less digits than its factorization.

109488420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608284 (or 608279 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 109488420 is about 10463.6714397959. The cubic root of 109488420 is about 478.3980449896.

The spelling of 109488420 in words is "one hundred nine million, four hundred eighty-eight thousand, four hundred twenty".