502644398054 has 4 divisors (see below), whose sum is σ = 753966597084. Its totient is φ = 251322199026.

The previous prime is 502644397999. The next prime is 502644398083. The reversal of 502644398054 is 450893446205.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 502644397993 and 502644398011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125661099512 + ... + 125661099515.

It is an arithmetic number, because the mean of its divisors is an integer number (188491649271).

Almost surely, 2^502644398054 is an apocalyptic number.

502644398054 is a deficient number, since it is larger than the sum of its proper divisors (251322199030).

502644398054 is a wasteful number, since it uses less digits than its factorization.

502644398054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251322199029.

The product of its (nonzero) digits is 4147200, while the sum is 50.

The spelling of 502644398054 in words is "five hundred two billion, six hundred forty-four million, three hundred ninety-eight thousand, fifty-four".