3611220360 has 192 divisors, whose sum is σ = 12243890880. Its totient is φ = 844999680.

The previous prime is 3611220323. The next prime is 3611220391. The reversal of 3611220360 is 630221163.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 3611220360.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1108494 + ... + 1111746.

It is an arithmetic number, because the mean of its divisors is an integer number (63770265).

Almost surely, 2^3611220360 is an apocalyptic number.

3611220360 is a gapful number since it is divisible by the number (30) 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 3611220360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6121945440).

3611220360 is an abundant number, since it is smaller than the sum of its proper divisors (8632670520).

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

3611220360 is a wasteful number, since it uses less digits than its factorization.

3611220360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3336 (or 3303 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 3611220360 is about 60093.4302565597. The cubic root of 3611220360 is about 1534.2094851958.

The spelling of 3611220360 in words is "three billion, six hundred eleven million, two hundred twenty thousand, three hundred sixty".