1147440344 has 16 divisors (see below), whose sum is σ = 2153751120. Its totient is φ = 573106720.

The previous prime is 1147440341. The next prime is 1147440367. The reversal of 1147440344 is 4430447411.

It is a self number, because there is not a number n which added to its sum of digits gives 1147440344.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1147440341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68684 + ... + 83739.

It is an arithmetic number, because the mean of its divisors is an integer number (134609445).

Almost surely, 2^1147440344 is an apocalyptic number.

It is an amenable number.

1147440344 is a deficient number, since it is larger than the sum of its proper divisors (1006310776).

1147440344 is a wasteful number, since it uses less digits than its factorization.

1147440344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153370 (or 153366 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 32.

The square root of 1147440344 is about 33873.8888231039. Note that the first 4 decimals coincide. The cubic root of 1147440344 is about 1046.9116641963.

Adding to 1147440344 its reverse (4430447411), we get a palindrome (5577887755).

The spelling of 1147440344 in words is "one billion, one hundred forty-seven million, four hundred forty thousand, three hundred forty-four".