4021177933668 has 48 divisors (see below), whose sum is σ = 10725023356544. Its totient is φ = 1148706316800.

The previous prime is 4021177933649. The next prime is 4021177933679. The reversal of 4021177933668 is 8663397711204.

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, 3719605 + ... + 4677372.

Almost surely, 2^{4021177933668} is an apocalyptic number.

It is an amenable number.

4021177933668 is an abundant number, since it is smaller than the sum of its proper divisors (6703845422876).

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

4021177933668 is a wasteful number, since it uses less digits than its factorization.

4021177933668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8402692 (or 8402690 counting only the distinct ones).

The product of its (nonzero) digits is 9144576, while the sum is 57.

The spelling of 4021177933668 in words is "four trillion, twenty-one billion, one hundred seventy-seven million, nine hundred thirty-three thousand, six hundred sixty-eight".