452740072648 has 16 divisors (see below), whose sum is σ = 848895151500. Its totient is φ = 226368032256.

The previous prime is 452740072597. The next prime is 452740072649. The reversal of 452740072648 is 846270047254.

It can be written as a sum of positive squares in 2 ways, for example, as 452737888164 + 2184484 = 672858^2 + 1478^2 .

It is not an unprimeable number, because it can be changed into a prime (452740072649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1211568 + ... + 1540576.

Almost surely, 2^452740072648 is an apocalyptic number.

It is an amenable number.

452740072648 is a deficient number, since it is larger than the sum of its proper divisors (396155078852).

452740072648 is a wasteful number, since it uses less digits than its factorization.

452740072648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501024 (or 501020 counting only the distinct ones).

The product of its (nonzero) digits is 3010560, while the sum is 49.

The spelling of 452740072648 in words is "four hundred fifty-two billion, seven hundred forty million, seventy-two thousand, six hundred forty-eight".