1320441424 has 10 divisors (see below), whose sum is σ = 2558355290. Its totient is φ = 660220704.

The previous prime is 1320441413. The next prime is 1320441433. The reversal of 1320441424 is 4241440231.

It can be written as a sum of positive squares in only one way, i.e., 750760000 + 569681424 = 27400^2 + 23868^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41263779 + ... + 41263810.

It is an arithmetic number, because the mean of its divisors is an integer number (255835529).

Almost surely, 2^1320441424 is an apocalyptic number.

It is an amenable number.

1320441424 is a deficient number, since it is larger than the sum of its proper divisors (1237913866).

1320441424 is an equidigital number, since it uses as much as digits as its factorization.

1320441424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82527597 (or 82527591 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 1320441424 is about 36337.8786392381. The cubic root of 1320441424 is about 1097.0835759114.

Adding to 1320441424 its reverse (4241440231), we get a palindrome (5561881655).

The spelling of 1320441424 in words is "one billion, three hundred twenty million, four hundred forty-one thousand, four hundred twenty-four".