440769812 has 24 divisors (see below), whose sum is σ = 933395904. Its totient is φ = 177789312.

The previous prime is 440769793. The next prime is 440769817. The reversal of 440769812 is 218967044.

It is a self number, because there is not a number n which added to its sum of digits gives 440769812.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440769817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 462518 + ... + 463469.

It is an arithmetic number, because the mean of its divisors is an integer number (38891496).

Almost surely, 2^440769812 is an apocalyptic number.

It is an amenable number.

440769812 is an abundant number, since it is smaller than the sum of its proper divisors (492626092).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

440769812 is a wasteful number, since it uses less digits than its factorization.

440769812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926015 (or 926013 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 440769812 is about 20994.5186179631. The cubic root of 440769812 is about 761.0338031783.

The spelling of 440769812 in words is "four hundred forty million, seven hundred sixty-nine thousand, eight hundred twelve".