3618736880 has 80 divisors (see below), whose sum is σ = 9200598624. Its totient is φ = 1312727040.

The previous prime is 3618736859. The next prime is 3618736883. The reversal of 3618736880 is 886378163.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3618736883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 376292 + ... + 385788.

Almost surely, 2^3618736880 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 3618736880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4600299312).

3618736880 is an abundant number, since it is smaller than the sum of its proper divisors (5581861744).

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

3618736880 is a wasteful number, since it uses less digits than its factorization.

3618736880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9954 (or 9948 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 50.

The square root of 3618736880 is about 60155.9380277625. The cubic root of 3618736880 is about 1535.2731998954.

The spelling of 3618736880 in words is "three billion, six hundred eighteen million, seven hundred thirty-six thousand, eight hundred eighty".