504354231440 has 20 divisors (see below), whose sum is σ = 1172623588284. Its totient is φ = 201741692544.

The previous prime is 504354231413. The next prime is 504354231443. The reversal of 504354231440 is 44132453405.

It can be written as a sum of positive squares in 2 ways, for example, as 186389065984 + 317965165456 = 431728^2 + 563884^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 504354231440.

It is not an unprimeable number, because it can be changed into a prime (504354231443) 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, 3152213867 + ... + 3152214026.

Almost surely, 2^504354231440 is an apocalyptic number.

It is an amenable number.

504354231440 is an abundant number, since it is smaller than the sum of its proper divisors (668269356844).

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

504354231440 is a wasteful number, since it uses less digits than its factorization.

504354231440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6304427906 (or 6304427900 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 504354231440 its reverse (44132453405), we get a palindrome (548486684845).

The spelling of 504354231440 in words is "five hundred four billion, three hundred fifty-four million, two hundred thirty-one thousand, four hundred forty".