4015221188056 has 16 divisors (see below), whose sum is σ = 8107658168400. Its totient is φ = 1853179009824.

The previous prime is 4015221187963. The next prime is 4015221188087. The reversal of 4015221188056 is 6508811225104.

It is a super-2 number, since 2×4015221188056² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19303947916 + ... + 19303948123.

It is an arithmetic number, because the mean of its divisors is an integer number (506728635525).

Almost surely, 2^{4015221188056} is an apocalyptic number.

It is an amenable number.

4015221188056 is an abundant number, since it is smaller than the sum of its proper divisors (4092436980344).

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

4015221188056 is a wasteful number, since it uses less digits than its factorization.

4015221188056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38607896058 (or 38607896054 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 43.

The spelling of 4015221188056 in words is "four trillion, fifteen billion, two hundred twenty-one million, one hundred eighty-eight thousand, fifty-six".