450641642 has 16 divisors (see below), whose sum is σ = 737964864. Its totient is φ = 204684000.

The previous prime is 450641641. The next prime is 450641647. The reversal of 450641642 is 246146054.

It is a junction number, because it is equal to n+sod(n) for n = 450641599 and 450641608.

It is not an unprimeable number, because it can be changed into a prime (450641641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25667 + ... + 39497.

It is an arithmetic number, because the mean of its divisors is an integer number (46122804).

Almost surely, 2^450641642 is an apocalyptic number.

450641642 is a deficient number, since it is larger than the sum of its proper divisors (287323222).

450641642 is a wasteful number, since it uses less digits than its factorization.

450641642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15325.

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 450641642 is about 21228.3216953201. The cubic root of 450641642 is about 766.6734789145.

Adding to 450641642 its reverse (246146054), we get a palindrome (696787696).

The spelling of 450641642 in words is "four hundred fifty million, six hundred forty-one thousand, six hundred forty-two".