440030334 has 16 divisors (see below), whose sum is σ = 880326288. Its totient is φ = 146632512.

The previous prime is 440030303. The next prime is 440030341. The reversal of 440030334 is 433030044.

It is a self number, because there is not a number n which added to its sum of digits gives 440030334.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15304 + ... + 33380.

It is an arithmetic number, because the mean of its divisors is an integer number (55020393).

Almost surely, 2^440030334 is an apocalyptic number.

440030334 is an abundant number, since it is smaller than the sum of its proper divisors (440295954).

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

440030334 is a wasteful number, since it uses less digits than its factorization.

440030334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22139.

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 440030334 is about 20976.9000092959. The cubic root of 440030334 is about 760.6079703506.

Adding to 440030334 its reverse (433030044), we get a palindrome (873060378).

The spelling of 440030334 in words is "four hundred forty million, thirty thousand, three hundred thirty-four".