4000255331 has 4 divisors (see below), whose sum is σ = 4138195200. Its totient is φ = 3862315464.

The previous prime is 4000255319. The next prime is 4000255339. The reversal of 4000255331 is 1335520004.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4000255331 - 2⁶ = 4000255267 is a prime.

It is a super-2 number, since 2×4000255331² = 32004085426387839122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4000255297 and 4000255306.

It is not an unprimeable number, because it can be changed into a prime (4000255339) 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 3 ways as a sum of consecutive naturals, for example, 68969891 + ... + 68969948.

It is an arithmetic number, because the mean of its divisors is an integer number (1034548800).

Almost surely, 2^4000255331 is an apocalyptic number.

4000255331 is a deficient number, since it is larger than the sum of its proper divisors (137939869).

4000255331 is a wasteful number, since it uses less digits than its factorization.

4000255331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137939868.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 4000255331 is about 63247.5717399490. The cubic root of 4000255331 is about 1587.4348273077.

Adding to 4000255331 its reverse (1335520004), we get a palindrome (5335775335).

The spelling of 4000255331 in words is "four billion, two hundred fifty-five thousand, three hundred thirty-one".