4004251612 has 6 divisors (see below), whose sum is σ = 7007440328. Its totient is φ = 2002125804.

The previous prime is 4004251579. The next prime is 4004251619. The reversal of 4004251612 is 2161524004.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4004251619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500531448 + ... + 500531455.

Almost surely, 2^4004251612 is an apocalyptic number.

It is an amenable number.

4004251612 is a deficient number, since it is larger than the sum of its proper divisors (3003188716).

4004251612 is a wasteful number, since it uses less digits than its factorization.

4004251612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001062907 (or 1001062905 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 4004251612 is about 63279.1562206703. The cubic root of 4004251612 is about 1587.9632706007.

Adding to 4004251612 its reverse (2161524004), we get a palindrome (6165775616).

The spelling of 4004251612 in words is "four billion, four million, two hundred fifty-one thousand, six hundred twelve".