434440344 has 64 divisors (see below), whose sum is σ = 1171951200. Its totient is φ = 133410816.

The previous prime is 434440327. The next prime is 434440351. The reversal of 434440344 is 443044434.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208942 + ... + 211010.

Almost surely, 2^434440344 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 434440344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (585975600).

434440344 is an abundant number, since it is smaller than the sum of its proper divisors (737510856).

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

434440344 is a wasteful number, since it uses less digits than its factorization.

434440344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2764 (or 2760 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 30.

The square root of 434440344 is about 20843.2325707890. The cubic root of 434440344 is about 757.3734027999.

Adding to 434440344 its reverse (443044434), we get a palindrome (877484778).

The spelling of 434440344 in words is "four hundred thirty-four million, four hundred forty thousand, three hundred forty-four".