454218037850 has 24 divisors (see below), whose sum is σ = 844871318748. Its totient is φ = 181681673600.

The previous prime is 454218037829. The next prime is 454218037879. The reversal of 454218037850 is 58730812454.

It is a Cunningham number, because it is equal to 673957²+1.

It can be written as a sum of positive squares in 6 ways, for example, as 357715236649 + 96502801201 = 598093^2 + 310649^2 .

It is a junction number, because it is equal to n+sod(n) for n = 454218037795 and 454218037804.

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 11 ways as a sum of consecutive naturals, for example, 1780310 + ... + 2019390.

Almost surely, 2^454218037850 is an apocalyptic number.

454218037850 is a deficient number, since it is larger than the sum of its proper divisors (390653280898).

454218037850 is a wasteful number, since it uses less digits than its factorization.

454218037850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277090 (or 277085 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 47.

The spelling of 454218037850 in words is "four hundred fifty-four billion, two hundred eighteen million, thirty-seven thousand, eight hundred fifty".