440002046 has 8 divisors (see below), whose sum is σ = 720003384. Its totient is φ = 200000920.

The previous prime is 440002033. The next prime is 440002051. The reversal of 440002046 is 640200044.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×440002046² = 387203600968372232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10000025 + ... + 10000068.

It is an arithmetic number, because the mean of its divisors is an integer number (90000423).

Almost surely, 2^440002046 is an apocalyptic number.

440002046 is a deficient number, since it is larger than the sum of its proper divisors (280001338).

440002046 is a wasteful number, since it uses less digits than its factorization.

440002046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20000106.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 440002046 is about 20976.2257329578. The cubic root of 440002046 is about 760.5916710657.

The spelling of 440002046 in words is "four hundred forty million, two thousand, forty-six".