450420312 has 32 divisors (see below), whose sum is σ = 1131896880. Its totient is φ = 149360640.

The previous prime is 450420281. The next prime is 450420319. The reversal of 450420312 is 213024054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450420319) 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, 43989 + ... + 53252.

Almost surely, 2^450420312 is an apocalyptic number.

It is an amenable number.

450420312 is an abundant number, since it is smaller than the sum of its proper divisors (681476568).

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

450420312 is a wasteful number, since it uses less digits than its factorization.

450420312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97443 (or 97439 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 450420312 is about 21223.1079722080. The cubic root of 450420312 is about 766.5479426322.

Adding to 450420312 its reverse (213024054), we get a palindrome (663444366).

The spelling of 450420312 in words is "four hundred fifty million, four hundred twenty thousand, three hundred twelve".