1244606244 has 144 divisors (see below), whose sum is σ = 3558331392. Its totient is φ = 331596288.

The previous prime is 1244606221. The next prime is 1244606249. The reversal of 1244606244 is 4426064421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244606249) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4053939 + ... + 4054245.

Almost surely, 2^1244606244 is an apocalyptic number.

1244606244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1244606244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1779165696).

1244606244 is an abundant number, since it is smaller than the sum of its proper divisors (2313725148).

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

1244606244 is a wasteful number, since it uses less digits than its factorization.

1244606244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522 (or 503 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 33.

The square root of 1244606244 is about 35278.9773661312. The cubic root of 1244606244 is about 1075.6657117649.

The spelling of 1244606244 in words is "one billion, two hundred forty-four million, six hundred six thousand, two hundred forty-four".