1345504320444 has 24 divisors (see below), whose sum is σ = 3139536816640. Its totient is φ = 448497620784.

The previous prime is 1345504320353. The next prime is 1345504320521. The reversal of 1345504320444 is 4440234055431.

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, 1236567 + ... + 2054289.

Almost surely, 2^{1345504320444} is an apocalyptic number.

It is an amenable number.

1345504320444 is an abundant number, since it is smaller than the sum of its proper divisors (1794032496196).

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

1345504320444 is a wasteful number, since it uses less digits than its factorization.

1345504320444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 954849 (or 954847 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 39.

Adding to 1345504320444 its reverse (4440234055431), we get a palindrome (5785738375875).

The spelling of 1345504320444 in words is "one trillion, three hundred forty-five billion, five hundred four million, three hundred twenty thousand, four hundred forty-four".