4005542706 has 64 divisors (see below), whose sum is σ = 8869271040. Its totient is φ = 1195896960.

The previous prime is 4005542701. The next prime is 4005542719. The reversal of 4005542706 is 6072455004.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (4005542701) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1255245 + ... + 1258431.

It is an arithmetic number, because the mean of its divisors is an integer number (138582360).

Almost surely, 2^4005542706 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4005542706, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4434635520).

4005542706 is an abundant number, since it is smaller than the sum of its proper divisors (4863728334).

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

4005542706 is a wasteful number, since it uses less digits than its factorization.

4005542706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3479.

The product of its (nonzero) digits is 33600, while the sum is 33.

The square root of 4005542706 is about 63289.3569725590. The cubic root of 4005542706 is about 1588.1339216768.

The spelling of 4005542706 in words is "four billion, five million, five hundred forty-two thousand, seven hundred six".