504440525115440 has 160 divisors (see below), whose sum is σ = 1203708438354240. Its totient is φ = 196481595801600.

The previous prime is 504440525115419. The next prime is 504440525115517. The reversal of 504440525115440 is 44511525044405.

It is a junction number, because it is equal to n+sod(n) for n = 504440525115391 and 504440525115400.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11299915520 + ... + 11299960160.

It is an arithmetic number, because the mean of its divisors is an integer number (7523177739714).

Almost surely, 2^{504440525115440} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 504440525115440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (601854219177120).

504440525115440 is an abundant number, since it is smaller than the sum of its proper divisors (699267913238800).

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

504440525115440 is a wasteful number, since it uses less digits than its factorization.

504440525115440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51151 (or 51145 counting only the distinct ones).

The product of its (nonzero) digits is 1280000, while the sum is 44.

The spelling of 504440525115440 in words is "five hundred four trillion, four hundred forty billion, five hundred twenty-five million, one hundred fifteen thousand, four hundred forty".