450426104413640 has 16 divisors (see below), whose sum is σ = 1013458734930780. Its totient is φ = 180170441765440.

The previous prime is 450426104413633. The next prime is 450426104413643. The reversal of 450426104413640 is 46314401624054.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 447044970459844 + 3381133953796 = 21143438^2 + 1838786^2 .

It is a junction number, because it is equal to n+sod(n) for n = 450426104413591 and 450426104413600.

It is not an unprimeable number, because it can be changed into a prime (450426104413643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5630326305131 + ... + 5630326305210.

Almost surely, 2^{450426104413640} is an apocalyptic number.

450426104413640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

450426104413640 is an abundant number, since it is smaller than the sum of its proper divisors (563032630517140).

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

450426104413640 is a wasteful number, since it uses less digits than its factorization.

450426104413640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11260652610352 (or 11260652610348 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 44.

The spelling of 450426104413640 in words is "four hundred fifty trillion, four hundred twenty-six billion, one hundred four million, four hundred thirteen thousand, six hundred forty".