450906401900 has 36 divisors (see below), whose sum is σ = 978705796320. Its totient is φ = 180318523200.

The previous prime is 450906401863. The next prime is 450906401909. The reversal of 450906401900 is 9104609054.

It is a super-2 number, since 2×450906401900² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (450906401909) 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, 137315 + ... + 959514.

It is an arithmetic number, because the mean of its divisors is an integer number (27186272120).

Almost surely, 2^450906401900 is an apocalyptic number.

It is an amenable number.

450906401900 is an abundant number, since it is smaller than the sum of its proper divisors (527799394420).

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

450906401900 is a wasteful number, since it uses less digits than its factorization.

450906401900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100954 (or 1100947 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 38.

The spelling of 450906401900 in words is "four hundred fifty billion, nine hundred six million, four hundred one thousand, nine hundred".