4032645557 has 4 divisors (see below), whose sum is σ = 4244890080. Its totient is φ = 3820401036.

The previous prime is 4032645541. The next prime is 4032645559. The reversal of 4032645557 is 7555462304.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4032645557 - 2⁴ = 4032645541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4032645559) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 106122233 + ... + 106122270.

It is an arithmetic number, because the mean of its divisors is an integer number (1061222520).

Almost surely, 2^4032645557 is an apocalyptic number.

It is an amenable number.

4032645557 is a deficient number, since it is larger than the sum of its proper divisors (212244523).

4032645557 is a wasteful number, since it uses less digits than its factorization.

4032645557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212244522.

The product of its (nonzero) digits is 504000, while the sum is 41.

The square root of 4032645557 is about 63503.1145456662. The cubic root of 4032645557 is about 1591.7078226809.

The spelling of 4032645557 in words is "four billion, thirty-two million, six hundred forty-five thousand, five hundred fifty-seven".