450240012243605 has 16 divisors (see below), whose sum is σ = 572070492892080. Its totient is φ = 339003752497152.

The previous prime is 450240012243601. The next prime is 450240012243629. The reversal of 450240012243605 is 506342210042054.

It can be written as a sum of positive squares in 8 ways, for example, as 48395410535761 + 401844601707844 = 6956681^2 + 20046062^2 .

It is a cyclic number.

It is not a de Polignac number, because 450240012243605 - 2² = 450240012243601 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450240012243601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61578077 + ... + 68500653.

It is an arithmetic number, because the mean of its divisors is an integer number (35754405805755).

Almost surely, 2^{450240012243605} is an apocalyptic number.

It is an amenable number.

450240012243605 is a deficient number, since it is larger than the sum of its proper divisors (121830480648475).

450240012243605 is a wasteful number, since it uses less digits than its factorization.

450240012243605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7687768.

The product of its (nonzero) digits is 230400, while the sum is 38.

Adding to 450240012243605 its reverse (506342210042054), we get a palindrome (956582222285659).

The spelling of 450240012243605 in words is "four hundred fifty trillion, two hundred forty billion, twelve million, two hundred forty-three thousand, six hundred five".