4025088644 has 6 divisors (see below), whose sum is σ = 7043905134. Its totient is φ = 2012544320.

The previous prime is 4025088643. The next prime is 4025088689. The reversal of 4025088644 is 4468805204.

It can be written as a sum of positive squares in only one way, i.e., 3779790400 + 245298244 = 61480^2 + 15662^2 .

It is not an unprimeable number, because it can be changed into a prime (4025088643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 503136077 + ... + 503136084.

It is an arithmetic number, because the mean of its divisors is an integer number (1173984189).

Almost surely, 2^4025088644 is an apocalyptic number.

It is an amenable number.

4025088644 is a deficient number, since it is larger than the sum of its proper divisors (3018816490).

4025088644 is a wasteful number, since it uses less digits than its factorization.

4025088644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006272165 (or 1006272163 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 41.

The square root of 4025088644 is about 63443.5863109897. The cubic root of 4025088644 is about 1590.7129489952.

The spelling of 4025088644 in words is "four billion, twenty-five million, eighty-eight thousand, six hundred forty-four".