4005445532 has 48 divisors (see below), whose sum is σ = 7804242432. Its totient is φ = 1783279680.

The previous prime is 4005445511. The next prime is 4005445547. The reversal of 4005445532 is 2355445004.

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, 1918193 + ... + 1920279.

It is an arithmetic number, because the mean of its divisors is an integer number (162588384).

Almost surely, 2^4005445532 is an apocalyptic number.

It is an amenable number.

4005445532 is a deficient number, since it is larger than the sum of its proper divisors (3798796900).

4005445532 is a wasteful number, since it uses less digits than its factorization.

4005445532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2978 (or 2976 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 32.

The square root of 4005445532 is about 63288.5892716847. The cubic root of 4005445532 is about 1588.1210789249.

The spelling of 4005445532 in words is "four billion, five million, four hundred forty-five thousand, five hundred thirty-two".