440490336 has 144 divisors (see below), whose sum is σ = 1369195632. Its totient is φ = 123171840.

The previous prime is 440490313. The next prime is 440490343. The reversal of 440490336 is 633094044.

It is a super-2 number, since 2×440490336² = 388063472218785792, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 440490297 and 440490306.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 149550 + ... + 152466.

It is an arithmetic number, because the mean of its divisors is an integer number (9508303).

Almost surely, 2^440490336 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 440490336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (684597816).

440490336 is an abundant number, since it is smaller than the sum of its proper divisors (928705296).

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

440490336 is a wasteful number, since it uses less digits than its factorization.

440490336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2965 (or 2946 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 33.

The square root of 440490336 is about 20987.8616347640. The cubic root of 440490336 is about 760.8729212801.

The spelling of 440490336 in words is "four hundred forty million, four hundred ninety thousand, three hundred thirty-six".