450400120101 has 12 divisors (see below), whose sum is σ = 684818896320. Its totient is φ = 284463233640.

The previous prime is 450400120081. The next prime is 450400120127. The reversal of 450400120101 is 101021004054.

450400120101 is a `hidden beast` number, since 45 + 0 + 400 + 120 + 101 = 666.

It is not a de Polignac number, because 450400120101 - 2¹⁰ = 450400119077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450400120171) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1316959245 + ... + 1316959586.

It is an arithmetic number, because the mean of its divisors is an integer number (57068241360).

Almost surely, 2^450400120101 is an apocalyptic number.

It is an amenable number.

450400120101 is a deficient number, since it is larger than the sum of its proper divisors (234418776219).

450400120101 is a wasteful number, since it uses less digits than its factorization.

450400120101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2633918856 (or 2633918853 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

Adding to 450400120101 its reverse (101021004054), we get a palindrome (551421124155).

The spelling of 450400120101 in words is "four hundred fifty billion, four hundred million, one hundred twenty thousand, one hundred one".