500025005000 has 40 divisors (see below), whose sum is σ = 1171558598430. Its totient is φ = 200010000000.

The previous prime is 500025004993. The next prime is 500025005009. The reversal of 500025005000 is 500520005.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 102234946564 + 397790058436 = 319742^2 + 630706^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 500025005000.

It is not an unprimeable number, because it can be changed into a prime (500025005009) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 49997501 + ... + 50007500.

Almost surely, 2^500025005000 is an apocalyptic number.

500025005000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

500025005000 is an abundant number, since it is smaller than the sum of its proper divisors (671533593430).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

500025005000 is a wasteful number, since it uses less digits than its factorization.

500025005000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100005027 (or 100005008 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 17.

Adding to 500025005000 its reverse (500520005), we get a palindrome (500525525005).

The spelling of 500025005000 in words is "five hundred billion, twenty-five million, five thousand".