450278048121 has 16 divisors (see below), whose sum is σ = 654961111488. Its totient is φ = 272891110400.

The previous prime is 450278048089. The next prime is 450278048173. The reversal of 450278048121 is 121840872054.

It is a cyclic number.

It is not a de Polignac number, because 450278048121 - 2⁵ = 450278048089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (450278048021) 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, 3639145 + ... + 3760841.

It is an arithmetic number, because the mean of its divisors is an integer number (40935069468).

Almost surely, 2^450278048121 is an apocalyptic number.

It is an amenable number.

450278048121 is a deficient number, since it is larger than the sum of its proper divisors (204683063367).

450278048121 is a wasteful number, since it uses less digits than its factorization.

450278048121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233832.

The product of its (nonzero) digits is 143360, while the sum is 42.

The spelling of 450278048121 in words is "four hundred fifty billion, two hundred seventy-eight million, forty-eight thousand, one hundred twenty-one".