450549450 has 72 divisors (see below), whose sum is σ = 1303606668. Its totient is φ = 110903040.

The previous prime is 450549431. The next prime is 450549469. The reversal of 450549450 is 54945054.

It is an interprime number because it is at equal distance from previous prime (450549431) and next prime (450549469).

It can be written as a sum of positive squares in 6 ways, for example, as 203148009 + 247401441 = 14253^2 + 15729^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is an alternating number because its digits alternate between even and odd.

450549450 is a modest number, since divided by 549450 gives 450 as remainder.

It is a Curzon 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 35 ways as a sum of consecutive naturals, for example, 32659 + ... + 44358.

Almost surely, 2^450549450 is an apocalyptic number.

450549450 is an abundant number, since it is smaller than the sum of its proper divisors (853057218).

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

450549450 is a wasteful number, since it uses less digits than its factorization.

450549450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77048 (or 77040 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 450549450 is about 21226.1501455163. The cubic root of 450549450 is about 766.6211934802.

The spelling of 450549450 in words is "four hundred fifty million, five hundred forty-nine thousand, four hundred fifty".