505315542453440 has 56 divisors (see below), whose sum is σ = 1203292390110432. Its totient is φ = 202124578406400.

The previous prime is 505315542453439. The next prime is 505315542453467. The reversal of 505315542453440 is 44354245513505.

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, 33523040 + ... + 46199840.

Almost surely, 2^{505315542453440} is an apocalyptic number.

It is an amenable number.

505315542453440 is an abundant number, since it is smaller than the sum of its proper divisors (697976847656992).

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

505315542453440 is a wasteful number, since it uses less digits than its factorization.

505315542453440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12801385 (or 12801375 counting only the distinct ones).

The product of its (nonzero) digits is 14400000, while the sum is 50.

Adding to 505315542453440 its reverse (44354245513505), we get a palindrome (549669787966945).

The spelling of 505315542453440 in words is "five hundred five trillion, three hundred fifteen billion, five hundred forty-two million, four hundred fifty-three thousand, four hundred forty".