4209661120 has 112 divisors (see below), whose sum is σ = 11826044928. Its totient is φ = 1396730880.

The previous prime is 4209661117. The next prime is 4209661123. The reversal of 4209661120 is 211669024.

4209661120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (4209661117) and next prime (4209661123).

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (4209661123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39129 + ... + 99751.

Almost surely, 2^4209661120 is an apocalyptic number.

4209661120 is a gapful number since it is divisible by the number (40) 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 4209661120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5913022464).

4209661120 is an abundant number, since it is smaller than the sum of its proper divisors (7616383808).

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

4209661120 is a wasteful number, since it uses less digits than its factorization.

4209661120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60678 (or 60668 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 4209661120 is about 64881.9013284907. The cubic root of 4209661120 is about 1614.6648040553.

The spelling of 4209661120 in words is "four billion, two hundred nine million, six hundred sixty-one thousand, one hundred twenty".