1244430016 has 14 divisors (see below), whose sum is σ = 2469415940. Its totient is φ = 622214976.

The previous prime is 1244429987. The next prime is 1244430053. The reversal of 1244430016 is 6100344421.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9722046 + ... + 9722173.

Almost surely, 2^1244430016 is an apocalyptic number.

1244430016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1244430016 is a deficient number, since it is larger than the sum of its proper divisors (1224985924).

1244430016 is an equidigital number, since it uses as much as digits as its factorization.

1244430016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19444231 (or 19444221 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 1244430016 is about 35276.4796429576. The cubic root of 1244430016 is about 1075.6149403219.

Adding to 1244430016 its reverse (6100344421), we get a palindrome (7344774437).

The spelling of 1244430016 in words is "one billion, two hundred forty-four million, four hundred thirty thousand, sixteen".