3870522184256 has 56 divisors (see below), whose sum is σ = 9453006118080. Its totient is φ = 1531195587072.

The previous prime is 3870522184253. The next prime is 3870522184357. The reversal of 3870522184256 is 6524812250783.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (56).

It is a junction number, because it is equal to n+sod(n) for n = 3870522184198 and 3870522184207.

It is not an unprimeable number, because it can be changed into a prime (3870522184253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 332284886 + ... + 332296533.

It is an arithmetic number, because the mean of its divisors is an integer number (168803680680).

Almost surely, 2^{3870522184256} is an apocalyptic number.

It is an amenable number.

3870522184256 is an abundant number, since it is smaller than the sum of its proper divisors (5582483933824).

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

3870522184256 is a wasteful number, since it uses less digits than its factorization.

3870522184256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664581451 (or 664581441 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 53.

The spelling of 3870522184256 in words is "three trillion, eight hundred seventy billion, five hundred twenty-two million, one hundred eighty-four thousand, two hundred fifty-six".