4006455563 has 6 divisors (see below), whose sum is σ = 4403790132. Its totient is φ = 3642232220.

The previous prime is 4006455517. The next prime is 4006455587. The reversal of 4006455563 is 3655546004.

It is a happy number.

It is not a de Polignac number, because 4006455563 - 2⁶ = 4006455499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4006455503) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16555481 + ... + 16555722.

It is an arithmetic number, because the mean of its divisors is an integer number (733965022).

Almost surely, 2^4006455563 is an apocalyptic number.

4006455563 is a deficient number, since it is larger than the sum of its proper divisors (397334569).

4006455563 is a wasteful number, since it uses less digits than its factorization.

4006455563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33111225 (or 33111214 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 38.

The square root of 4006455563 is about 63296.5683351001. The cubic root of 4006455563 is about 1588.2545569363.

The spelling of 4006455563 in words is "four billion, six million, four hundred fifty-five thousand, five hundred sixty-three".