502000244146561 has 8 divisors (see below), whose sum is σ = 505216447233984. Its totient is φ = 498784278392400.

The previous prime is 502000244146523. The next prime is 502000244146567. The reversal of 502000244146561 is 165641442000205.

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

It is a cyclic number.

It is not a de Polignac number, because 502000244146561 - 2²¹ = 502000242049409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (502000244146567) 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, 55088455 + ... + 63551068.

It is an arithmetic number, because the mean of its divisors is an integer number (63152055904248).

Almost surely, 2^{502000244146561} is an apocalyptic number.

It is an amenable number.

502000244146561 is a deficient number, since it is larger than the sum of its proper divisors (3216203087423).

502000244146561 is a wasteful number, since it uses less digits than its factorization.

502000244146561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118666631.

The product of its (nonzero) digits is 230400, while the sum is 40.

Adding to 502000244146561 its reverse (165641442000205), we get a palindrome (667641686146766).

The spelling of 502000244146561 in words is "five hundred two trillion, two hundred forty-four million, one hundred forty-six thousand, five hundred sixty-one".