4002450452 has 48 divisors (see below), whose sum is σ = 9404368512. Its totient is φ = 1439441280.

The previous prime is 4002450371. The next prime is 4002450481. The reversal of 4002450452 is 2540542004.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 495803 + ... + 503810.

It is an arithmetic number, because the mean of its divisors is an integer number (195924344).

Almost surely, 2^4002450452 is an apocalyptic number.

It is an amenable number.

4002450452 is an abundant number, since it is smaller than the sum of its proper divisors (5401918060).

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

4002450452 is a wasteful number, since it uses less digits than its factorization.

4002450452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 999648 (or 999646 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 4002450452 is about 63264.9227613533. The cubic root of 4002450452 is about 1587.7251399706.

Adding to 4002450452 its reverse (2540542004), we get a palindrome (6542992456).

It can be divided in two parts, 4002 and 450452, that added together give a palindrome (454454).

The spelling of 4002450452 in words is "four billion, two million, four hundred fifty thousand, four hundred fifty-two".