3021656243244 has 48 divisors (see below), whose sum is σ = 7192419010560. Its totient is φ = 986995938240.

The previous prime is 3021656243239. The next prime is 3021656243279. The reversal of 3021656243244 is 4423426561203.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 3021656243196 and 3021656243205.

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, 2413324 + ... + 3444915.

It is an arithmetic number, because the mean of its divisors is an integer number (149842062720).

Almost surely, 2^{3021656243244} is an apocalyptic number.

It is an amenable number.

3021656243244 is an abundant number, since it is smaller than the sum of its proper divisors (4170762767316).

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

3021656243244 is a wasteful number, since it uses less digits than its factorization.

3021656243244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5859110 (or 5859108 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 42.

The spelling of 3021656243244 in words is "three trillion, twenty-one billion, six hundred fifty-six million, two hundred forty-three thousand, two hundred forty-four".