4081266684 has 144 divisors (see below), whose sum is σ = 11665704960. Its totient is φ = 1191888000.

The previous prime is 4081266641. The next prime is 4081266703. The reversal of 4081266684 is 4866621804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3817302 + ... + 3818370.

It is an arithmetic number, because the mean of its divisors is an integer number (81011840).

Almost surely, 2^4081266684 is an apocalyptic number.

4081266684 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4081266684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5832852480).

4081266684 is an abundant number, since it is smaller than the sum of its proper divisors (7584438276).

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

4081266684 is a wasteful number, since it uses less digits than its factorization.

4081266684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1432 (or 1427 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 45.

The square root of 4081266684 is about 63884.7922748443. The cubic root of 4081266684 is about 1598.0792947088.

The spelling of 4081266684 in words is "four billion, eighty-one million, two hundred sixty-six thousand, six hundred eighty-four".