1234434144 has 48 divisors (see below), whose sum is σ = 3242901312. Its totient is φ = 411159168.

The previous prime is 1234434143. The next prime is 1234434151. The reversal of 1234434144 is 4414344321.

It is a tau number, because it is divible by the number of its divisors (48).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1234434143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141987 + ... + 150429.

It is an arithmetic number, because the mean of its divisors is an integer number (67560444).

Almost surely, 2^1234434144 is an apocalyptic number.

It is an amenable number.

1234434144 is an abundant number, since it is smaller than the sum of its proper divisors (2008467168).

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

1234434144 is a wasteful number, since it uses less digits than its factorization.

1234434144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9979 (or 9971 counting only the distinct ones).

The product of its digits is 18432, while the sum is 30.

The square root of 1234434144 is about 35134.5149959410. The cubic root of 1234434144 is about 1072.7272391389.

Adding to 1234434144 its reverse (4414344321), we get a palindrome (5648778465).

The spelling of 1234434144 in words is "one billion, two hundred thirty-four million, four hundred thirty-four thousand, one hundred forty-four".