4003452000 has 384 divisors, whose sum is σ = 15347404800. Its totient is φ = 1010880000.

The previous prime is 4003451989. The next prime is 4003452031. The reversal of 4003452000 is 2543004.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2051025 + ... + 2052975.

It is an arithmetic number, because the mean of its divisors is an integer number (39967200).

Almost surely, 2^4003452000 is an apocalyptic number.

4003452000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4003452000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7673702400).

4003452000 is an abundant number, since it is smaller than the sum of its proper divisors (11343952800).

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

4003452000 is a wasteful number, since it uses less digits than its factorization.

4003452000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2004 (or 1980 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 4003452000 is about 63272.8377741982. The cubic root of 4003452000 is about 1587.8575630396.

Adding to 4003452000 its reverse (2543004), we get a palindrome (4005995004).

The spelling of 4003452000 in words is "four billion, three million, four hundred fifty-two thousand".