4266536648544 has 384 divisors, whose sum is σ = 13600524672000. Its totient is φ = 1295767756800.

The previous prime is 4266536648519. The next prime is 4266536648587. The reversal of 4266536648544 is 4458466356624.

4266536648544 is a `hidden beast` number, since 4 + 2 + 6 + 6 + 53 + 66 + 485 + 44 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 108128019 + ... + 108167469.

It is an arithmetic number, because the mean of its divisors is an integer number (35418033000).

Almost surely, 2^{4266536648544} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4266536648544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6800262336000).

4266536648544 is an abundant number, since it is smaller than the sum of its proper divisors (9333988023456).

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

4266536648544 is a wasteful number, since it uses less digits than its factorization.

4266536648544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39723 (or 39709 counting only the distinct ones).

The product of its digits is 398131200, while the sum is 63.

The spelling of 4266536648544 in words is "four trillion, two hundred sixty-six billion, five hundred thirty-six million, six hundred forty-eight thousand, five hundred forty-four".