1244423432 has 16 divisors (see below), whose sum is σ = 2666621760. Its totient is φ = 533324304.

The previous prime is 1244423429. The next prime is 1244423473. The reversal of 1244423432 is 2343244421.

It is a super-2 number, since 2×1244423432² = 3097179356221317248, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1244423395 and 1244423404.

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 3 ways as a sum of consecutive naturals, for example, 11110868 + ... + 11110979.

It is an arithmetic number, because the mean of its divisors is an integer number (166663860).

Almost surely, 2^1244423432 is an apocalyptic number.

It is an amenable number.

1244423432 is an abundant number, since it is smaller than the sum of its proper divisors (1422198328).

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

1244423432 is a wasteful number, since it uses less digits than its factorization.

1244423432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22221860 (or 22221856 counting only the distinct ones).

The product of its digits is 18432, while the sum is 29.

The square root of 1244423432 is about 35276.3863228648. The cubic root of 1244423432 is about 1075.6130433728.

Adding to 1244423432 its reverse (2343244421), we get a palindrome (3587667853).

The spelling of 1244423432 in words is "one billion, two hundred forty-four million, four hundred twenty-three thousand, four hundred thirty-two".