450043305340240 has 20 divisors (see below), whose sum is σ = 1046350684916244. Its totient is φ = 180017322136064.

The previous prime is 450043305340219. The next prime is 450043305340253. The reversal of 450043305340240 is 42043503340054.

It can be written as a sum of positive squares in 2 ways, for example, as 99318206085904 + 350725099254336 = 9965852^2 + 18727656^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 450043305340240.

It is a congruent number.

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, 2812770658297 + ... + 2812770658456.

Almost surely, 2^{450043305340240} is an apocalyptic number.

450043305340240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

450043305340240 is an abundant number, since it is smaller than the sum of its proper divisors (596307379576004).

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

450043305340240 is a wasteful number, since it uses less digits than its factorization.

450043305340240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5625541316766 (or 5625541316760 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 37.

Adding to 450043305340240 its reverse (42043503340054), we get a palindrome (492086808680294).

The spelling of 450043305340240 in words is "four hundred fifty trillion, forty-three billion, three hundred five million, three hundred forty thousand, two hundred forty".