4618845722500 has 135 divisors (see below), whose sum is σ = 10307372345193. Its totient is φ = 1810443960000.

The previous prime is 4618845722489. The next prime is 4618845722503. The reversal of 4618845722500 is 52275488164.

The square root of 4618845722500 is 2149150.

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

It can be written as a sum of positive squares in 7 ways, for example, as 2562925635396 + 2055920087104 = 1600914^2 + 1433848^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4618845722503) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 5695247095 + ... + 5695247905.

Almost surely, 2^{4618845722500} is an apocalyptic number.

4618845722500 is the 2149150-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4618845722500

4618845722500 is an abundant number, since it is smaller than the sum of its proper divisors (5688526622693).

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

4618845722500 is an frugal number, since it uses more digits than its factorization.

4618845722500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1752 (or 871 counting only the distinct ones).

The product of its (nonzero) digits is 4300800, while the sum is 52.

The spelling of 4618845722500 in words is "four trillion, six hundred eighteen billion, eight hundred forty-five million, seven hundred twenty-two thousand, five hundred".