450212543040 has 112 divisors (see below), whose sum is σ = 1539380622528. Its totient is φ = 110821545984.

The previous prime is 450212543009. The next prime is 450212543041. The reversal of 450212543040 is 40345212054.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 450212542989 and 450212543007.

It is not an unprimeable number, because it can be changed into a prime (450212543041) 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, 18024882 + ... + 18049841.

It is an arithmetic number, because the mean of its divisors is an integer number (13744469844).

Almost surely, 2^450212543040 is an apocalyptic number.

450212543040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

450212543040 is an abundant number, since it is smaller than the sum of its proper divisors (1089168079488).

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

450212543040 is a wasteful number, since it uses less digits than its factorization.

450212543040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36074756 (or 36074746 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 450212543040 its reverse (40345212054), we get a palindrome (490557755094).

The spelling of 450212543040 in words is "four hundred fifty billion, two hundred twelve million, five hundred forty-three thousand, forty".