450643784426 has 8 divisors (see below), whose sum is σ = 737417101824. Its totient is φ = 204838083820.

The previous prime is 450643784413. The next prime is 450643784441. The reversal of 450643784426 is 624487346054.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10241904170 + ... + 10241904213.

It is an arithmetic number, because the mean of its divisors is an integer number (92177137728).

Almost surely, 2^450643784426 is an apocalyptic number.

450643784426 is a deficient number, since it is larger than the sum of its proper divisors (286773317398).

450643784426 is a wasteful number, since it uses less digits than its factorization.

450643784426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20483808396.

The product of its (nonzero) digits is 15482880, while the sum is 53.

The spelling of 450643784426 in words is "four hundred fifty billion, six hundred forty-three million, seven hundred eighty-four thousand, four hundred twenty-six".