4002055 has 16 divisors (see below), whose sum is σ = 5132160. Its totient is φ = 2985472.

The previous prime is 4002049. The next prime is 4002067. The reversal of 4002055 is 5502004.

4002055 = T₅₀ + T₅₁ + ... + T₂₈₈.

It is a happy number.

It is not a de Polignac number, because 4002055 - 2¹⁷ = 3870983 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16626 + ... + 16864.

It is an arithmetic number, because the mean of its divisors is an integer number (320760).

Almost surely, 2^4002055 is an apocalyptic number.

4002055 is a deficient number, since it is larger than the sum of its proper divisors (1130105).

4002055 is a wasteful number, since it uses less digits than its factorization.

4002055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458.

The product of its (nonzero) digits is 200, while the sum is 16.

The square root of 4002055 is about 2000.5136840322. The cubic root of 4002055 is about 158.7672847859.

Adding to 4002055 its reverse (5502004), we get a palindrome (9504059).

The spelling of 4002055 in words is "four million, two thousand, fifty-five".