450649698 has 8 divisors (see below), whose sum is σ = 901299408. Its totient is φ = 150216564.

The previous prime is 450649691. The next prime is 450649723. The reversal of 450649698 is 896946054.

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

450649698 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 450649698.

It is not an unprimeable number, because it can be changed into a prime (450649691) 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, 37554136 + ... + 37554147.

It is an arithmetic number, because the mean of its divisors is an integer number (112662426).

Almost surely, 2^450649698 is an apocalyptic number.

450649698 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

450649698 is a wasteful number, since it uses less digits than its factorization.

450649698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75108288.

The product of its (nonzero) digits is 1866240, while the sum is 51.

The square root of 450649698 is about 21228.5114409843. The cubic root of 450649698 is about 766.6780474261.

The spelling of 450649698 in words is "four hundred fifty million, six hundred forty-nine thousand, six hundred ninety-eight".