440063312 has 20 divisors (see below), whose sum is σ = 918209460. Its totient is φ = 203106048.

The previous prime is 440063257. The next prime is 440063339. The reversal of 440063312 is 213360044.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 195328576 + 244734736 = 13976^2 + 15644^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1057637 + ... + 1058052.

It is an arithmetic number, because the mean of its divisors is an integer number (45910473).

Almost surely, 2^440063312 is an apocalyptic number.

It is an amenable number.

440063312 is an abundant number, since it is smaller than the sum of its proper divisors (478146148).

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

440063312 is a wasteful number, since it uses less digits than its factorization.

440063312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2115710 (or 2115704 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 440063312 is about 20977.6860497053. The cubic root of 440063312 is about 760.6269710885.

The spelling of 440063312 in words is "four hundred forty million, sixty-three thousand, three hundred twelve".