450949758 has 64 divisors (see below), whose sum is σ = 1057162752. Its totient is φ = 125573760.

The previous prime is 450949727. The next prime is 450949783. The reversal of 450949758 is 857949054.

It is a self number, because there is not a number n which added to its sum of digits gives 450949758.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 384513 + ... + 385683.

It is an arithmetic number, because the mean of its divisors is an integer number (16518168).

Almost surely, 2^450949758 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 450949758, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (528581376).

450949758 is an abundant number, since it is smaller than the sum of its proper divisors (606212994).

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

450949758 is a wasteful number, since it uses less digits than its factorization.

450949758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1409.

The product of its (nonzero) digits is 1814400, while the sum is 51.

The square root of 450949758 is about 21235.5776469584. The cubic root of 450949758 is about 766.8481709731.

The spelling of 450949758 in words is "four hundred fifty million, nine hundred forty-nine thousand, seven hundred fifty-eight".