4021424045 has 8 divisors (see below), whose sum is σ = 4839538200. Its totient is φ = 3207919680.

The previous prime is 4021424023. The next prime is 4021424047. The reversal of 4021424045 is 5404241204.

It can be written as a sum of positive squares in 4 ways, for example, as 1222061764 + 2799362281 = 34958^2 + 52909^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4021424045 - 2⁶ = 4021423981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021424047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1150526 + ... + 1154015.

It is an arithmetic number, because the mean of its divisors is an integer number (604942275).

Almost surely, 2^4021424045 is an apocalyptic number.

It is an amenable number.

4021424045 is a deficient number, since it is larger than the sum of its proper divisors (818114155).

4021424045 is a wasteful number, since it uses less digits than its factorization.

4021424045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2304895.

The product of its (nonzero) digits is 5120, while the sum is 26.

The square root of 4021424045 is about 63414.6989664068. The cubic root of 4021424045 is about 1590.2300532070.

Adding to 4021424045 its reverse (5404241204), we get a palindrome (9425665249).

The spelling of 4021424045 in words is "four billion, twenty-one million, four hundred twenty-four thousand, forty-five".