450863647378 has 8 divisors (see below), whose sum is σ = 676305365580. Its totient is φ = 225428525520.

The previous prime is 450863647373. The next prime is 450863647379. The reversal of 450863647378 is 873746368054.

It can be written as a sum of positive squares in 2 ways, for example, as 253303843849 + 197559803529 = 503293^2 + 444477^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (450863647373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1474513 + ... + 1753828.

Almost surely, 2^450863647378 is an apocalyptic number.

450863647378 is a deficient number, since it is larger than the sum of its proper divisors (225441718202).

450863647378 is a wasteful number, since it uses less digits than its factorization.

450863647378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3298172.

The product of its (nonzero) digits is 81285120, while the sum is 61.

The spelling of 450863647378 in words is "four hundred fifty billion, eight hundred sixty-three million, six hundred forty-seven thousand, three hundred seventy-eight".