4002440406 has 16 divisors (see below), whose sum is σ = 8006237184. Its totient is φ = 1333920744.

The previous prime is 4002440401. The next prime is 4002440443. The reversal of 4002440406 is 6040442004.

4002440406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4002440401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15910 + ... + 90873.

It is an arithmetic number, because the mean of its divisors is an integer number (500389824).

Almost surely, 2^4002440406 is an apocalyptic number.

4002440406 is an abundant number, since it is smaller than the sum of its proper divisors (4003796778).

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

4002440406 is a wasteful number, since it uses less digits than its factorization.

4002440406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113035.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 4002440406 is about 63264.8433650159. The cubic root of 4002440406 is about 1587.7238115927.

The spelling of 4002440406 in words is "four billion, two million, four hundred forty thousand, four hundred six".