3600721140 has 24 divisors (see below), whose sum is σ = 10082019360. Its totient is φ = 960192288.

The previous prime is 3600721129. The next prime is 3600721199. The reversal of 3600721140 is 411270063.

It is a self number, because there is not a number n which added to its sum of digits gives 3600721140.

It is a congruent number.

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, 30005950 + ... + 30006069.

It is an arithmetic number, because the mean of its divisors is an integer number (420084140).

Almost surely, 2^3600721140 is an apocalyptic number.

3600721140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3600721140 is an abundant number, since it is smaller than the sum of its proper divisors (6481298220).

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

3600721140 is a wasteful number, since it uses less digits than its factorization.

3600721140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60012031 (or 60012029 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 3600721140 is about 60006.0091990794. The cubic root of 3600721140 is about 1532.7211943221.

The spelling of 3600721140 in words is "three billion, six hundred million, seven hundred twenty-one thousand, one hundred forty".