403144434 has 48 divisors (see below), whose sum is σ = 1089017280. Its totient is φ = 104712480.

The previous prime is 403144421. The next prime is 403144439. The reversal of 403144434 is 434441304.

It is a junction number, because it is equal to n+sod(n) for n = 403144398 and 403144407.

It is not an unprimeable number, because it can be changed into a prime (403144439) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 144049 + ... + 146820.

It is an arithmetic number, because the mean of its divisors is an integer number (22687860).

Almost surely, 2^403144434 is an apocalyptic number.

403144434 is an abundant number, since it is smaller than the sum of its proper divisors (685872846).

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

403144434 is a wasteful number, since it uses less digits than its factorization.

403144434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290895 (or 290892 counting only the distinct ones).

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

The square root of 403144434 is about 20078.4569626254. The cubic root of 403144434 is about 738.7319615615.

Adding to 403144434 its reverse (434441304), we get a palindrome (837585738).

The spelling of 403144434 in words is "four hundred three million, one hundred forty-four thousand, four hundred thirty-four".