450412052240 has 40 divisors (see below), whose sum is σ = 1080988931328. Its totient is φ = 174353051520.

The previous prime is 450412052221. The next prime is 450412052263. The reversal of 450412052240 is 42250214054.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90806402 + ... + 90811361.

Almost surely, 2^450412052240 is an apocalyptic number.

450412052240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

450412052240 is an abundant number, since it is smaller than the sum of its proper divisors (630576879088).

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

450412052240 is a wasteful number, since it uses less digits than its factorization.

450412052240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181617807 (or 181617801 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 29.

Adding to 450412052240 its reverse (42250214054), we get a palindrome (492662266294).

The spelling of 450412052240 in words is "four hundred fifty billion, four hundred twelve million, fifty-two thousand, two hundred forty".