109477440 has 112 divisors (see below), whose sum is σ = 386242560. Its totient is φ = 29191680.

The previous prime is 109477369. The next prime is 109477453. The reversal of 109477440 is 44774901.

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

It is a junction number, because it is equal to n+sod(n) for n = 109477395 and 109477404.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2305 + ... + 14975.

Almost surely, 2^109477440 is an apocalyptic number.

109477440 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 109477440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193121280).

109477440 is an abundant number, since it is smaller than the sum of its proper divisors (276765120).

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

109477440 is a wasteful number, since it uses less digits than its factorization.

109477440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12697 (or 12681 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 109477440 is about 10463.1467542035. The cubic root of 109477440 is about 478.3820524730.

The spelling of 109477440 in words is "one hundred nine million, four hundred seventy-seven thousand, four hundred forty".