4082521356 has 18 divisors (see below), whose sum is σ = 10319706852. Its totient is φ = 1360840440.

The previous prime is 4082521349. The next prime is 4082521357. The reversal of 4082521356 is 6531252804.

4082521356 is a `hidden beast` number, since 4 + 0 + 82 + 521 + 3 + 56 = 666.

4082521356 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 (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 113403371 = 4082521356 / (4 + 0 + 8 + 2 + 5 + 2 + 1 + 3 + 5 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 4082521356.

It is not an unprimeable number, because it can be changed into a prime (4082521357) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56701650 + ... + 56701721.

Almost surely, 2^4082521356 is an apocalyptic number.

It is an amenable number.

4082521356 is an abundant number, since it is smaller than the sum of its proper divisors (6237185496).

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

4082521356 is a wasteful number, since it uses less digits than its factorization.

4082521356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113403381 (or 113403376 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 4082521356 is about 63894.6113220826. The cubic root of 4082521356 is about 1598.2430396167.

The spelling of 4082521356 in words is "four billion, eighty-two million, five hundred twenty-one thousand, three hundred fifty-six".