440415430 has 160 divisors (see below), whose sum is σ = 1067248224. Its totient is φ = 129604608.

The previous prime is 440415397. The next prime is 440415433. The reversal of 440415430 is 34514044.

It is a junction number, because it is equal to n+sod(n) for n = 440415395 and 440415404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440415433) by changing a digit.

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 79 ways as a sum of consecutive naturals, for example, 5306169 + ... + 5306251.

Almost surely, 2^440415430 is an apocalyptic number.

440415430 is an abundant number, since it is smaller than the sum of its proper divisors (626832794).

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

440415430 is a wasteful number, since it uses less digits than its factorization.

440415430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148 (or 127 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 440415430 is about 20986.0770512261. The cubic root of 440415430 is about 760.8297896656.

Adding to 440415430 its reverse (34514044), we get a palindrome (474929474).

The spelling of 440415430 in words is "four hundred forty million, four hundred fifteen thousand, four hundred thirty".