4002024000445 has 4 divisors (see below), whose sum is σ = 4802428800540. Its totient is φ = 3201619200352.

The previous prime is 4002024000439. The next prime is 4002024000463. The reversal of 4002024000445 is 5440004202004.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2723962096249 + 1278061904196 = 1650443^2 + 1130514^2 .

It is a cyclic number.

It is not a de Polignac number, because 4002024000445 - 2³⁵ = 3967664262077 is a prime.

It is a super-2 number, since 2×4002024000445² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 400202400040 + ... + 400202400049.

It is an arithmetic number, because the mean of its divisors is an integer number (1200607200135).

Almost surely, 2^{4002024000445} is an apocalyptic number.

It is an amenable number.

4002024000445 is a deficient number, since it is larger than the sum of its proper divisors (800404800095).

4002024000445 is an equidigital number, since it uses as much as digits as its factorization.

4002024000445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800404800094.

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

Adding to 4002024000445 its reverse (5440004202004), we get a palindrome (9442028202449).

The spelling of 4002024000445 in words is "four trillion, two billion, twenty-four million, four hundred forty-five", and thus it is an aban number.