440212947 has 8 divisors (see below), whose sum is σ = 587592960. Its totient is φ = 293154120.

The previous prime is 440212937. The next prime is 440212961. The reversal of 440212947 is 749212044.

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

It is not a de Polignac number, because 440212947 - 2¹⁹ = 439688659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (440212937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77079 + ... + 82592.

It is an arithmetic number, because the mean of its divisors is an integer number (73449120).

Almost surely, 2^440212947 is an apocalyptic number.

440212947 is a deficient number, since it is larger than the sum of its proper divisors (147380013).

440212947 is a wasteful number, since it uses less digits than its factorization.

440212947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160593.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 440212947 is about 20981.2522743520. The cubic root of 440212947 is about 760.7131734718.

The spelling of 440212947 in words is "four hundred forty million, two hundred twelve thousand, nine hundred forty-seven".