4000450 has 24 divisors (see below), whose sum is σ = 7834320. Its totient is φ = 1515600.

The previous prime is 4000439. The next prime is 4000489. The reversal of 4000450 is 540004.

4000450 is a modest number, since divided by 450 gives 400 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 4000450.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1156 + ... + 3055.

It is an arithmetic number, because the mean of its divisors is an integer number (326430).

Almost surely, 2^4000450 is an apocalyptic number.

4000450 is a deficient number, since it is larger than the sum of its proper divisors (3833870).

4000450 is a wasteful number, since it uses less digits than its factorization.

4000450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4242 (or 4237 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 13.

The square root of 4000450 is about 2000.1124968361. The cubic root of 4000450 is about 158.7460577276.

Adding to 4000450 its reverse (540004), we get a palindrome (4540454).

The spelling of 4000450 in words is "four million, four hundred fifty", and thus it is an aban number.