434134044 has 72 divisors (see below), whose sum is σ = 1148958720. Its totient is φ = 138045600.

The previous prime is 434134003. The next prime is 434134069. The reversal of 434134044 is 440431434.

It is a junction number, because it is equal to n+sod(n) for n = 434133999 and 434134017.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76497 + ... + 81975.

It is an arithmetic number, because the mean of its divisors is an integer number (15957760).

Almost surely, 2^434134044 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 434134044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (574479360).

434134044 is an abundant number, since it is smaller than the sum of its proper divisors (714824676).

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

434134044 is a wasteful number, since it uses less digits than its factorization.

434134044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5591 (or 5586 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 434134044 is about 20835.8835665781. The cubic root of 434134044 is about 757.1953668375.

Adding to 434134044 its reverse (440431434), we get a palindrome (874565478).

The spelling of 434134044 in words is "four hundred thirty-four million, one hundred thirty-four thousand, forty-four".