1244434460 has 24 divisors (see below), whose sum is σ = 2677053456. Its totient is φ = 485632640.

The previous prime is 1244434447. The next prime is 1244434517. The reversal of 1244434460 is 644344421.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 757982 + ... + 759621.

It is an arithmetic number, because the mean of its divisors is an integer number (111543894).

Almost surely, 2^1244434460 is an apocalyptic number.

1244434460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1244434460 is an abundant number, since it is smaller than the sum of its proper divisors (1432618996).

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

1244434460 is a wasteful number, since it uses less digits than its factorization.

1244434460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1517653 (or 1517651 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

The square root of 1244434460 is about 35276.5426310459. The cubic root of 1244434460 is about 1075.6162207012.

Adding to 1244434460 its reverse (644344421), we get a palindrome (1888778881).

The spelling of 1244434460 in words is "one billion, two hundred forty-four million, four hundred thirty-four thousand, four hundred sixty".