440034820 has 12 divisors (see below), whose sum is σ = 924073164. Its totient is φ = 176013920.

The previous prime is 440034811. The next prime is 440034823. The reversal of 440034820 is 28430044.

It can be written as a sum of positive squares in 2 ways, for example, as 106461124 + 333573696 = 10318^2 + 18264^2 .

It is not an unprimeable number, because it can be changed into a prime (440034823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11000851 + ... + 11000890.

It is an arithmetic number, because the mean of its divisors is an integer number (77006097).

Almost surely, 2^440034820 is an apocalyptic number.

It is an amenable number.

440034820 is an abundant number, since it is smaller than the sum of its proper divisors (484038344).

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

440034820 is a wasteful number, since it uses less digits than its factorization.

440034820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22001750 (or 22001748 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 440034820 is about 20977.0069361670. The cubic root of 440034820 is about 760.6105550783.

Adding to 440034820 its reverse (28430044), we get a palindrome (468464864).

The spelling of 440034820 in words is "four hundred forty million, thirty-four thousand, eight hundred twenty".