3618133728 has 96 divisors (see below), whose sum is σ = 10718386560. Its totient is φ = 1058588160.

The previous prime is 3618133693. The next prime is 3618133741. The reversal of 3618133728 is 8273318163.

3618133728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-3 number, since 3×3618133728³ (a number of 30 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3618133728.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28450 + ... + 89697.

It is an arithmetic number, because the mean of its divisors is an integer number (111649860).

Almost surely, 2^3618133728 is an apocalyptic number.

It is an amenable number.

3618133728 is an abundant number, since it is smaller than the sum of its proper divisors (7100252832).

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

3618133728 is a wasteful number, since it uses less digits than its factorization.

3618133728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118200 (or 118192 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The square root of 3618133728 is about 60150.9245814227. The cubic root of 3618133728 is about 1535.1878980729.

The spelling of 3618133728 in words is "three billion, six hundred eighteen million, one hundred thirty-three thousand, seven hundred twenty-eight".