4002452404 has 12 divisors (see below), whose sum is σ = 7006367844. Its totient is φ = 2000633024.

The previous prime is 4002452381. The next prime is 4002452437. The reversal of 4002452404 is 4042542004.

It is a happy number.

4002452404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2450250000 + 1552202404 = 49500^2 + 39398^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132937 + ... + 160240.

It is an arithmetic number, because the mean of its divisors is an integer number (583863987).

Almost surely, 2^4002452404 is an apocalyptic number.

It is an amenable number.

4002452404 is a deficient number, since it is larger than the sum of its proper divisors (3003915440).

4002452404 is a wasteful number, since it uses less digits than its factorization.

4002452404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296594 (or 296592 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 25.

The square root of 4002452404 is about 63264.9381885417. The cubic root of 4002452404 is about 1587.7253980824.

Adding to 4002452404 its reverse (4042542004), we get a palindrome (8044994408).

The spelling of 4002452404 in words is "four billion, two million, four hundred fifty-two thousand, four hundred four".