4045550 has 12 divisors (see below), whose sum is σ = 7524816. Its totient is φ = 1618200.

The previous prime is 4045549. The next prime is 4045567. The reversal of 4045550 is 555404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40406 + ... + 40505.

It is an arithmetic number, because the mean of its divisors is an integer number (627068).

Almost surely, 2^4045550 is an apocalyptic number.

4045550 is a deficient number, since it is larger than the sum of its proper divisors (3479266).

4045550 is a wasteful number, since it uses less digits than its factorization.

4045550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80923 (or 80918 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 4045550 is about 2011.3552644921. The cubic root of 4045550 is about 159.3403833570.

The spelling of 4045550 in words is "four million, forty-five thousand, five hundred fifty".