440424106 has 4 divisors (see below), whose sum is σ = 660636162. Its totient is φ = 220212052.

The previous prime is 440424097. The next prime is 440424109. The reversal of 440424106 is 601424044.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 323676081 + 116748025 = 17991^2 + 10805^2 .

It is not an unprimeable number, because it can be changed into a prime (440424109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110106025 + ... + 110106028.

Almost surely, 2^440424106 is an apocalyptic number.

440424106 is a deficient number, since it is larger than the sum of its proper divisors (220212056).

440424106 is a wasteful number, since it uses less digits than its factorization.

440424106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220212055.

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 440424106 is about 20986.2837586839. The cubic root of 440424106 is about 760.8347856425.

The spelling of 440424106 in words is "four hundred forty million, four hundred twenty-four thousand, one hundred six".