450117491406 has 64 divisors (see below), whose sum is σ = 985814219520. Its totient is φ = 135880828160.

The previous prime is 450117491363. The next prime is 450117491407. The reversal of 450117491406 is 604194711054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450117491407) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19005340 + ... + 19029008.

It is an arithmetic number, because the mean of its divisors is an integer number (15403347180).

Almost surely, 2^450117491406 is an apocalyptic number.

450117491406 is an abundant number, since it is smaller than the sum of its proper divisors (535696728114).

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

450117491406 is a wasteful number, since it uses less digits than its factorization.

450117491406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24769.

The product of its (nonzero) digits is 120960, while the sum is 42.

The spelling of 450117491406 in words is "four hundred fifty billion, one hundred seventeen million, four hundred ninety-one thousand, four hundred six".