4000255420 has 48 divisors (see below), whose sum is σ = 9611259840. Its totient is φ = 1369995264.

The previous prime is 4000255411. The next prime is 4000255423. The reversal of 4000255420 is 245520004.

It is a junction number, because it is equal to n+sod(n) for n = 4000255391 and 4000255400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4000255423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114682 + ... + 145438.

It is an arithmetic number, because the mean of its divisors is an integer number (200234580).

Almost surely, 2^4000255420 is an apocalyptic number.

It is an amenable number.

4000255420 is an abundant number, since it is smaller than the sum of its proper divisors (5611004420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4000255420 is a wasteful number, since it uses less digits than its factorization.

4000255420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31702 (or 31700 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 4000255420 is about 63247.5724435334. The cubic root of 4000255420 is about 1587.4348390804.

Adding to 4000255420 its reverse (245520004), we get a palindrome (4245775424).

The spelling of 4000255420 in words is "four billion, two hundred fifty-five thousand, four hundred twenty".