1244364912 has 120 divisors (see below), whose sum is σ = 4214167776. Its totient is φ = 334614528.

The previous prime is 1244364911. The next prime is 1244364949. The reversal of 1244364912 is 2194634421.

1244364912 is a `hidden beast` number, since 1 + 2 + 4 + 4 + 3 + 649 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 (1244364911) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 19173 + ... + 53444.

Almost surely, 2^1244364912 is an apocalyptic number.

1244364912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1244364912 is an abundant number, since it is smaller than the sum of its proper divisors (2969802864).

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

1244364912 is a wasteful number, since it uses less digits than its factorization.

1244364912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72655 (or 72646 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 1244364912 is about 35275.5568630745. The cubic root of 1244364912 is about 1075.5961825894.

The spelling of 1244364912 in words is "one billion, two hundred forty-four million, three hundred sixty-four thousand, nine hundred twelve".