3611409340 has 96 divisors (see below), whose sum is σ = 9479006208. Its totient is φ = 1122816000.

The previous prime is 3611409311. The next prime is 3611409343. The reversal of 3611409340 is 439041163.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3611409343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 661020 + ... + 666460.

It is an arithmetic number, because the mean of its divisors is an integer number (98739648).

Almost surely, 2^3611409340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3611409340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4739503104).

3611409340 is an abundant number, since it is smaller than the sum of its proper divisors (5867596868).

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

3611409340 is a wasteful number, since it uses less digits than its factorization.

3611409340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5899 (or 5897 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 3611409340 is about 60095.0026208503. The cubic root of 3611409340 is about 1534.2362471417.

The spelling of 3611409340 in words is "three billion, six hundred eleven million, four hundred nine thousand, three hundred forty".