450442992 has 40 divisors (see below), whose sum is σ = 1177674624. Its totient is φ = 148337344.

The previous prime is 450442981. The next prime is 450442997. The reversal of 450442992 is 299244054.

It is a self number, because there is not a number n which added to its sum of digits gives 450442992.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450442997) 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, 52548 + ... + 60515.

Almost surely, 2^450442992 is an apocalyptic number.

It is an amenable number.

450442992 is an abundant number, since it is smaller than the sum of its proper divisors (727231632).

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

450442992 is a wasteful number, since it uses less digits than its factorization.

450442992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113157 (or 113151 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 450442992 is about 21223.6422887307. The cubic root of 450442992 is about 766.5608084046.

The spelling of 450442992 in words is "four hundred fifty million, four hundred forty-two thousand, nine hundred ninety-two".