1436441144 has 32 divisors (see below), whose sum is σ = 2772007920. Its totient is φ = 697433856.

The previous prime is 1436441143. The next prime is 1436441147. The reversal of 1436441144 is 4411446341.

It is a self number, because there is not a number n which added to its sum of digits gives 1436441144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1436441143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47444 + ... + 71580.

Almost surely, 2^1436441144 is an apocalyptic number.

It is an amenable number.

1436441144 is a deficient number, since it is larger than the sum of its proper divisors (1335566776).

1436441144 is a wasteful number, since it uses less digits than its factorization.

1436441144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24359 (or 24355 counting only the distinct ones).

The product of its digits is 18432, while the sum is 32.

The square root of 1436441144 is about 37900.4108684853. The cubic root of 1436441144 is about 1128.3121861965.

Adding to 1436441144 its reverse (4411446341), we get a palindrome (5847887485).

The spelling of 1436441144 in words is "one billion, four hundred thirty-six million, four hundred forty-one thousand, one hundred forty-four".