450042532 has 24 divisors (see below), whose sum is σ = 816190200. Its totient is φ = 216873216.

The previous prime is 450042499. The next prime is 450042577. The reversal of 450042532 is 235240054.

It can be written as a sum of positive squares in 4 ways, for example, as 14318656 + 435723876 = 3784^2 + 20874^2 .

It is a junction number, because it is equal to n+sod(n) for n = 450042497 and 450042506.

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, 67944 + ... + 74272.

It is an arithmetic number, because the mean of its divisors is an integer number (34007925).

Almost surely, 2^450042532 is an apocalyptic number.

It is an amenable number.

450042532 is a deficient number, since it is larger than the sum of its proper divisors (366147668).

450042532 is a wasteful number, since it uses less digits than its factorization.

450042532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6975 (or 6973 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 450042532 is about 21214.2059007638. The cubic root of 450042532 is about 766.3335743535. Note that the first 3 decimals are identical.

Adding to 450042532 its reverse (235240054), we get a palindrome (685282586).

The spelling of 450042532 in words is "four hundred fifty million, forty-two thousand, five hundred thirty-two".