502540627801 has 9 divisors (see below), whose sum is σ = 513494523061. Its totient is φ = 491815664572.

The previous prime is 502540627739. The next prime is 502540627819. The reversal of 502540627801 is 108726045205.

The square root of 502540627801 is 708901.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 502540627801 - 2²¹ = 502538530649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (502540627871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 33310806 + ... + 33325888.

Almost surely, 2^502540627801 is an apocalyptic number.

502540627801 is the 708901-st square number.

502540627801 is the 354451-st centered octagonal number.

It is an amenable number.

502540627801 is a deficient number, since it is larger than the sum of its proper divisors (10953895260).

502540627801 is an frugal number, since it uses more digits than its factorization.

502540627801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30260 (or 15130 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 40.

The spelling of 502540627801 in words is "five hundred two billion, five hundred forty million, six hundred twenty-seven thousand, eight hundred one".