3615980544 has 264 divisors, whose sum is σ = 11622407472. Its totient is φ = 1073479680.

The previous prime is 3615980539. The next prime is 3615980549. The reversal of 3615980544 is 4450895163.

3615980544 is a `hidden beast` number, since 3 + 6 + 1 + 598 + 0 + 54 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (3615980539) and next prime (3615980549).

It is a tau number, because it is divible by the number of its divisors (264).

It is a self number, because there is not a number n which added to its sum of digits gives 3615980544.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3615980549) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5372592 + ... + 5373264.

Almost surely, 2^3615980544 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 3615980544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5811203736).

3615980544 is an abundant number, since it is smaller than the sum of its proper divisors (8006426928).

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

3615980544 is a wasteful number, since it uses less digits than its factorization.

3615980544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763 (or 742 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The square root of 3615980544 is about 60133.0237390404. The cubic root of 3615980544 is about 1534.8833029231.

The spelling of 3615980544 in words is "three billion, six hundred fifteen million, nine hundred eighty thousand, five hundred forty-four".