1244673430 has 64 divisors (see below), whose sum is σ = 3008130048. Its totient is φ = 358104960.

The previous prime is 1244673421. The next prime is 1244673431. The reversal of 1244673430 is 343764421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244673431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52162 + ... + 72181.

It is an arithmetic number, because the mean of its divisors is an integer number (47002032).

Almost surely, 2^1244673430 is an apocalyptic number.

1244673430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1244673430 is an abundant number, since it is smaller than the sum of its proper divisors (1763456618).

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

1244673430 is a wasteful number, since it uses less digits than its factorization.

1244673430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124381.

The product of its (nonzero) digits is 48384, while the sum is 34.

The square root of 1244673430 is about 35279.9295634218. The cubic root of 1244673430 is about 1075.6850668491.

Subtracting from 1244673430 its reverse (343764421), we obtain a palindrome (900909009).

The spelling of 1244673430 in words is "one billion, two hundred forty-four million, six hundred seventy-three thousand, four hundred thirty".