4001455452 has 36 divisors (see below), whose sum is σ = 9760339400. Its totient is φ = 1275824352.

The previous prime is 4001455433. The next prime is 4001455453. The reversal of 4001455452 is 2545541004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4001455453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 308827 + ... + 321522.

Almost surely, 2^4001455452 is an apocalyptic number.

It is an amenable number.

4001455452 is an abundant number, since it is smaller than the sum of its proper divisors (5758883948).

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

4001455452 is a wasteful number, since it uses less digits than its factorization.

4001455452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630402 (or 630377 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 30.

The square root of 4001455452 is about 63257.0585152361. The cubic root of 4001455452 is about 1587.5935607908.

Adding to 4001455452 its reverse (2545541004), we get a palindrome (6546996456).

The spelling of 4001455452 in words is "four billion, one million, four hundred fifty-five thousand, four hundred fifty-two".