4027443645 has 16 divisors (see below), whose sum is σ = 6444696960. Its totient is φ = 2147707584.

The previous prime is 4027443619. The next prime is 4027443671. The reversal of 4027443645 is 5463447204.

It is an interprime number because it is at equal distance from previous prime (4027443619) and next prime (4027443671).

It is not a de Polignac number, because 4027443645 - 2¹¹ = 4027441597 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, 227991 + ... + 245019.

It is an arithmetic number, because the mean of its divisors is an integer number (402793560).

Almost surely, 2^4027443645 is an apocalyptic number.

It is an amenable number.

4027443645 is a deficient number, since it is larger than the sum of its proper divisors (2417253315).

4027443645 is a wasteful number, since it uses less digits than its factorization.

4027443645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32804.

The product of its (nonzero) digits is 322560, while the sum is 39.

The square root of 4027443645 is about 63462.1434006133. The cubic root of 4027443645 is about 1591.0231202368.

The spelling of 4027443645 in words is "four billion, twenty-seven million, four hundred forty-three thousand, six hundred forty-five".