1244597368 has 32 divisors (see below), whose sum is σ = 2690609760. Its totient is φ = 528675840.

The previous prime is 1244597339. The next prime is 1244597377. The reversal of 1244597368 is 8637954421.

It is a happy number.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92013 + ... + 104668.

It is an arithmetic number, because the mean of its divisors is an integer number (84081555).

Almost surely, 2^1244597368 is an apocalyptic number.

It is an amenable number.

1244597368 is an abundant number, since it is smaller than the sum of its proper divisors (1446012392).

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

1244597368 is a wasteful number, since it uses less digits than its factorization.

1244597368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196807 (or 196803 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 49.

The square root of 1244597368 is about 35278.8515686098. The cubic root of 1244597368 is about 1075.6631546960.

The spelling of 1244597368 in words is "one billion, two hundred forty-four million, five hundred ninety-seven thousand, three hundred sixty-eight".