4005640562 has 32 divisors (see below), whose sum is σ = 7545000960. Its totient is φ = 1549403280.

The previous prime is 4005640547. The next prime is 4005640577. The reversal of 4005640562 is 2650465004.

It is an interprime number because it is at equal distance from previous prime (4005640547) and next prime (4005640577).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72158 + ... + 114969.

It is an arithmetic number, because the mean of its divisors is an integer number (235781280).

Almost surely, 2^4005640562 is an apocalyptic number.

4005640562 is a deficient number, since it is larger than the sum of its proper divisors (3539360398).

4005640562 is a wasteful number, since it uses less digits than its factorization.

4005640562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187286.

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 4005640562 is about 63290.1300520073. The cubic root of 4005640562 is about 1588.1468543536.

The spelling of 4005640562 in words is "four billion, five million, six hundred forty thousand, five hundred sixty-two".