4255404644 has 12 divisors (see below), whose sum is σ = 7455840000. Its totient is φ = 2125164648.

The previous prime is 4255404617. The next prime is 4255404649. The reversal of 4255404644 is 4464045524.

4255404644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 4255404598 and 4255404607.

It is not an unprimeable number, because it can be changed into a prime (4255404649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 630644 + ... + 637355.

It is an arithmetic number, because the mean of its divisors is an integer number (621320000).

Almost surely, 2^4255404644 is an apocalyptic number.

It is an amenable number.

4255404644 is a deficient number, since it is larger than the sum of its proper divisors (3200435356).

4255404644 is a wasteful number, since it uses less digits than its factorization.

4255404644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1268842 (or 1268840 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 38.

The square root of 4255404644 is about 65233.4626093081. The cubic root of 4255404644 is about 1620.4922352188.

The spelling of 4255404644 in words is "four billion, two hundred fifty-five million, four hundred four thousand, six hundred forty-four".