440321796 has 72 divisors (see below), whose sum is σ = 1145453400. Its totient is φ = 142533120.

The previous prime is 440321771. The next prime is 440321801. The reversal of 440321796 is 697123044.

It can be written as a sum of positive squares in 4 ways, for example, as 94361796 + 345960000 = 9714^2 + 18600^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 440321796.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 396490 + ... + 397598.

It is an arithmetic number, because the mean of its divisors is an integer number (15909075).

Almost surely, 2^440321796 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 440321796, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (572726700).

440321796 is an abundant number, since it is smaller than the sum of its proper divisors (705131604).

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

440321796 is a wasteful number, since it uses less digits than its factorization.

440321796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1429 (or 1424 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 440321796 is about 20983.8460726341. The cubic root of 440321796 is about 760.7758674058.

The spelling of 440321796 in words is "four hundred forty million, three hundred twenty-one thousand, seven hundred ninety-six".