502040140521 has 8 divisors (see below), whose sum is σ = 669404127264. Its totient is φ = 334684790400.

The previous prime is 502040140519. The next prime is 502040140523. The reversal of 502040140521 is 125041040205.

It is an interprime number because it is at equal distance from previous prime (502040140519) and next prime (502040140523).

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

It is not a de Polignac number, because 502040140521 - 2¹ = 502040140519 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 502040140491 and 502040140500.

It is not an unprimeable number, because it can be changed into a prime (502040140523) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 2022280 + ... + 2256921.

It is an arithmetic number, because the mean of its divisors is an integer number (83675515908).

Almost surely, 2^502040140521 is an apocalyptic number.

It is an amenable number.

502040140521 is a deficient number, since it is larger than the sum of its proper divisors (167363986743).

502040140521 is a wasteful number, since it uses less digits than its factorization.

502040140521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4318311.

The product of its (nonzero) digits is 1600, while the sum is 24.

Adding to 502040140521 its reverse (125041040205), we get a palindrome (627081180726).

The spelling of 502040140521 in words is "five hundred two billion, forty million, one hundred forty thousand, five hundred twenty-one".