506752646450 has 18 divisors (see below), whose sum is σ = 942569285079. Its totient is φ = 202699045120.

The previous prime is 506752646371. The next prime is 506752646459. The reversal of 506752646450 is 54646257605.

It can be written as a sum of positive squares in 5 ways, for example, as 402340295809 + 104412350641 = 634303^2 + 323129^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=503365.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (506752646459) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4983314 + ... + 5083986.

Almost surely, 2^506752646450 is an apocalyptic number.

506752646450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

506752646450 is a deficient number, since it is larger than the sum of its proper divisors (435816638629).

506752646450 is an frugal number, since it uses more digits than its factorization.

506752646450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201358 (or 100680 counting only the distinct ones).

The product of its (nonzero) digits is 6048000, while the sum is 50.

Multiplying 506752646450 by its sum of digits (50), we get a square (25337632322500 = 5033650²).

506752646450 divided by its sum of digits (50) gives a square (10135052929 = 100673²).

The spelling of 506752646450 in words is "five hundred six billion, seven hundred fifty-two million, six hundred forty-six thousand, four hundred fifty".