530440451505 has 48 divisors (see below), whose sum is σ = 932256449280. Its totient is φ = 278964152064.

The previous prime is 530440451423. The next prime is 530440451507. The reversal of 530440451505 is 505154044035.

It is not a de Polignac number, because 530440451505 - 2⁷ = 530440451377 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 530440451505.

It is not an unprimeable number, because it can be changed into a prime (530440451507) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2702989 + ... + 2892581.

It is an arithmetic number, because the mean of its divisors is an integer number (19422009360).

Almost surely, 2^530440451505 is an apocalyptic number.

It is an amenable number.

530440451505 is a deficient number, since it is larger than the sum of its proper divisors (401815997775).

530440451505 is a wasteful number, since it uses less digits than its factorization.

530440451505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190470 (or 190467 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

The spelling of 530440451505 in words is "five hundred thirty billion, four hundred forty million, four hundred fifty-one thousand, five hundred five".