4205402645 has 16 divisors (see below), whose sum is σ = 5069675520. Its totient is φ = 3348892800.

The previous prime is 4205402629. The next prime is 4205402651. The reversal of 4205402645 is 5462045024.

It is not a de Polignac number, because 4205402645 - 2⁴ = 4205402629 is a prime.

It is a super-2 number, since 2×4205402645² = 35370822813145992050, which 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 (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1539641 + ... + 1542369.

It is an arithmetic number, because the mean of its divisors is an integer number (316854720).

Almost surely, 2^4205402645 is an apocalyptic number.

It is an amenable number.

4205402645 is a deficient number, since it is larger than the sum of its proper divisors (864272875).

4205402645 is a wasteful number, since it uses less digits than its factorization.

4205402645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4036.

The product of its (nonzero) digits is 38400, while the sum is 32.

The square root of 4205402645 is about 64849.0758993526. The cubic root of 4205402645 is about 1614.1201577136.

Adding to 4205402645 its reverse (5462045024), we get a palindrome (9667447669).

The spelling of 4205402645 in words is "four billion, two hundred five million, four hundred two thousand, six hundred forty-five".