440161346 has 4 divisors (see below), whose sum is σ = 660242022. Its totient is φ = 220080672.

The previous prime is 440161321. The next prime is 440161349. The reversal of 440161346 is 643161044.

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., 260467321 + 179694025 = 16139^2 + 13405^2 .

It is not an unprimeable number, because it can be changed into a prime (440161349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110040335 + ... + 110040338.

Almost surely, 2^440161346 is an apocalyptic number.

440161346 is a deficient number, since it is larger than the sum of its proper divisors (220080676).

440161346 is a wasteful number, since it uses less digits than its factorization.

440161346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220080675.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 440161346 is about 20980.0225452691. The cubic root of 440161346 is about 760.6834491496.

The spelling of 440161346 in words is "four hundred forty million, one hundred sixty-one thousand, three hundred forty-six".