4000255545 has 32 divisors (see below), whose sum is σ = 7519365504. Its totient is φ = 1790323200.

The previous prime is 4000255537. The next prime is 4000255549. The reversal of 4000255545 is 5455520004.

It is not a de Polignac number, because 4000255545 - 2³ = 4000255537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4000255549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 930316 + ... + 934605.

It is an arithmetic number, because the mean of its divisors is an integer number (234980172).

Almost surely, 2^4000255545 is an apocalyptic number.

It is an amenable number.

4000255545 is a deficient number, since it is larger than the sum of its proper divisors (3519109959).

4000255545 is a wasteful number, since it uses less digits than its factorization.

4000255545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1864953.

The product of its (nonzero) digits is 20000, while the sum is 30.

The square root of 4000255545 is about 63247.5734317136. The cubic root of 4000255545 is about 1587.4348556152.

Adding to 4000255545 its reverse (5455520004), we get a palindrome (9455775549).

The spelling of 4000255545 in words is "four billion, two hundred fifty-five thousand, five hundred forty-five".