450280640306 has 16 divisors (see below), whose sum is σ = 779403940224. Its totient is φ = 191103849504.

The previous prime is 450280640291. The next prime is 450280640309. The reversal of 450280640306 is 603046082054.

It is a self number, because there is not a number n which added to its sum of digits gives 450280640306.

It is not an unprimeable number, because it can be changed into a prime (450280640309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156129155 + ... + 156132038.

It is an arithmetic number, because the mean of its divisors is an integer number (48712746264).

Almost surely, 2^450280640306 is an apocalyptic number.

450280640306 is a deficient number, since it is larger than the sum of its proper divisors (329123299918).

450280640306 is a wasteful number, since it uses less digits than its factorization.

450280640306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312261305.

The product of its (nonzero) digits is 138240, while the sum is 38.

The spelling of 450280640306 in words is "four hundred fifty billion, two hundred eighty million, six hundred forty thousand, three hundred six".