4021404453 has 12 divisors (see below), whose sum is σ = 6336758688. Its totient is φ = 2437214760.

The previous prime is 4021404427. The next prime is 4021404461. The reversal of 4021404453 is 3544041204.

It is a happy number.

4021404453 is a `hidden beast` number, since 4 + 0 + 214 + 0 + 445 + 3 = 666.

It is not a de Polignac number, because 4021404453 - 2¹⁰ = 4021403429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021404953) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20310025 + ... + 20310222.

It is an arithmetic number, because the mean of its divisors is an integer number (528063224).

Almost surely, 2^4021404453 is an apocalyptic number.

It is an amenable number.

4021404453 is a deficient number, since it is larger than the sum of its proper divisors (2315354235).

4021404453 is a wasteful number, since it uses less digits than its factorization.

4021404453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40620264 (or 40620261 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 4021404453 is about 63414.5444909920. The cubic root of 4021404453 is about 1590.2274707190.

Adding to 4021404453 its reverse (3544041204), we get a palindrome (7565445657).

The spelling of 4021404453 in words is "four billion, twenty-one million, four hundred four thousand, four hundred fifty-three".