1601098240 has 160 divisors (see below), whose sum is σ = 4482998784. Its totient is φ = 536985600.

The previous prime is 1601098181. The next prime is 1601098273. The reversal of 1601098240 is 428901061.

It is a happy number.

1601098240 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (160).

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, 841290 + ... + 843190.

Almost surely, 2^1601098240 is an apocalyptic number.

1601098240 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 1601098240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2241499392).

1601098240 is an abundant number, since it is smaller than the sum of its proper divisors (2881900544).

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

1601098240 is an equidigital number, since it uses as much as digits as its factorization.

1601098240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1978 (or 1962 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 1601098240 is about 40013.7256450833. The cubic root of 1601098240 is about 1169.8746401836.

The spelling of 1601098240 in words is "one billion, six hundred one million, ninety-eight thousand, two hundred forty".