3915304628856 has 64 divisors (see below), whose sum is σ = 9796136304000. Its totient is φ = 1304051937408.

The previous prime is 3915304628839. The next prime is 3915304628861. The reversal of 3915304628856 is 6588264035193.

It is a super-2 number, since 2×3915304628856² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3915304628856.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 285302811 + ... + 285316533.

It is an arithmetic number, because the mean of its divisors is an integer number (153064629750).

Almost surely, 2^{3915304628856} is an apocalyptic number.

It is an amenable number.

3915304628856 is an abundant number, since it is smaller than the sum of its proper divisors (5880831675144).

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

3915304628856 is a wasteful number, since it uses less digits than its factorization.

3915304628856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22428 (or 22424 counting only the distinct ones).

The product of its (nonzero) digits is 37324800, while the sum is 60.

The spelling of 3915304628856 in words is "three trillion, nine hundred fifteen billion, three hundred four million, six hundred twenty-eight thousand, eight hundred fifty-six".