3881525760 has 480 divisors, whose sum is σ = 15764740992. Its totient is φ = 864092160.

The previous prime is 3881525699. The next prime is 3881525777. The reversal of 3881525760 is 675251883.

3881525760 is a `hidden beast` number, since 388 + 15 + 257 + 6 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (480).

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6612187 + ... + 6612773.

Almost surely, 2^3881525760 is an apocalyptic number.

3881525760 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 3881525760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7882370496).

3881525760 is an abundant number, since it is smaller than the sum of its proper divisors (11883215232).

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

3881525760 is a wasteful number, since it uses less digits than its factorization.

3881525760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664 (or 645 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The square root of 3881525760 is about 62301.8921060990. The cubic root of 3881525760 is about 1571.5715476678.

The spelling of 3881525760 in words is "three billion, eight hundred eighty-one million, five hundred twenty-five thousand, seven hundred sixty".