4002452004 has 24 divisors (see below), whose sum is σ = 9340082080. Its totient is φ = 1334003904.

The previous prime is 4002451919. The next prime is 4002452009. The reversal of 4002452004 is 4002542004.

It is not an unprimeable number, because it can be changed into a prime (4002452009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189192 + ... + 209280.

Almost surely, 2^4002452004 is an apocalyptic number.

It is an amenable number.

4002452004 is an abundant number, since it is smaller than the sum of its proper divisors (5337630076).

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

4002452004 is a wasteful number, since it uses less digits than its factorization.

4002452004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36699 (or 36697 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 4002452004 is about 63264.9350272329. The cubic root of 4002452004 is about 1587.7253451906.

Adding to 4002452004 its reverse (4002542004), we get a palindrome (8004994008).

Subtracting 4002452004 from its reverse (4002542004), we obtain a square (90000 = 300²).

The spelling of 4002452004 in words is "four billion, two million, four hundred fifty-two thousand, four".