4026021045 has 16 divisors (see below), whose sum is σ = 6547235712. Its totient is φ = 2112010560.

The previous prime is 4026021011. The next prime is 4026021061. The reversal of 4026021045 is 5401206204.

It is not a de Polignac number, because 4026021045 - 2⁶ = 4026020981 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2199097 + ... + 2200926.

It is an arithmetic number, because the mean of its divisors is an integer number (409202232).

Almost surely, 2^4026021045 is an apocalyptic number.

It is an amenable number.

4026021045 is a deficient number, since it is larger than the sum of its proper divisors (2521214667).

4026021045 is a wasteful number, since it uses less digits than its factorization.

4026021045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4400092.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 4026021045 is about 63450.9341538799. The cubic root of 4026021045 is about 1590.8357676430.

Adding to 4026021045 its reverse (5401206204), we get a palindrome (9427227249).

The spelling of 4026021045 in words is "four billion, twenty-six million, twenty-one thousand, forty-five".