450543023040 has 112 divisors (see below), whose sum is σ = 1560517234560. Its totient is φ = 109222548480.

The previous prime is 450543023023. The next prime is 450543023059. The reversal of 450543023040 is 40320345054.

It is a super-2 number, since 2×450543023040² (a number of 24 digits) contains 22 as substring.

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 = 450543022989 and 450543023007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21321970 + ... + 21343089.

Almost surely, 2^450543023040 is an apocalyptic number.

450543023040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

450543023040 is an abundant number, since it is smaller than the sum of its proper divisors (1109974211520).

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

450543023040 is a wasteful number, since it uses less digits than its factorization.

450543023040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42665090 (or 42665080 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 30.

Adding to 450543023040 its reverse (40320345054), we get a palindrome (490863368094).

The spelling of 450543023040 in words is "four hundred fifty billion, five hundred forty-three million, twenty-three thousand, forty".