502440379647 has 8 divisors (see below), whose sum is σ = 669927394560. Its totient is φ = 334956808920.

The previous prime is 502440379643. The next prime is 502440379691. The reversal of 502440379647 is 746973044205.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 502440379647 - 2² = 502440379643 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 502440379647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (502440379643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 498897 + ... + 1119722.

It is an arithmetic number, because the mean of its divisors is an integer number (83740924320).

Almost surely, 2^502440379647 is an apocalyptic number.

502440379647 is a deficient number, since it is larger than the sum of its proper divisors (167487014913).

502440379647 is a wasteful number, since it uses less digits than its factorization.

502440379647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1722093.

The product of its (nonzero) digits is 5080320, while the sum is 51.

The spelling of 502440379647 in words is "five hundred two billion, four hundred forty million, three hundred seventy-nine thousand, six hundred forty-seven".