3618065880 has 768 divisors, whose sum is σ = 15190156800. Its totient is φ = 761425920.

The previous prime is 3618065879. The next prime is 3618065903. The reversal of 3618065880 is 885608163.

3618065880 is a `hidden beast` number, since 3 + 61 + 8 + 0 + 6 + 588 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

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 191 ways as a sum of consecutive naturals, for example, 26409172 + ... + 26409308.

It is an arithmetic number, because the mean of its divisors is an integer number (19778850).

Almost surely, 2^3618065880 is an apocalyptic number.

3618065880 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 3618065880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7595078400).

3618065880 is an abundant number, since it is smaller than the sum of its proper divisors (11572090920).

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

3618065880 is a wasteful number, since it uses less digits than its factorization.

3618065880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206 (or 190 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 3618065880 is about 60150.3605974229. The cubic root of 3618065880 is about 1535.1783019582.

The spelling of 3618065880 in words is "three billion, six hundred eighteen million, sixty-five thousand, eight hundred eighty".