450043992 has 64 divisors (see below), whose sum is σ = 1323669600. Its totient is φ = 141189120.

The previous prime is 450043991. The next prime is 450043999. The reversal of 450043992 is 299340054.

It is a super-3 number, since 3×450043992³ (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450043991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57609 + ... + 64952.

Almost surely, 2^450043992 is an apocalyptic number.

It is an amenable number.

450043992 is an abundant number, since it is smaller than the sum of its proper divisors (873625608).

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

450043992 is a wasteful number, since it uses less digits than its factorization.

450043992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122593 (or 122583 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 450043992 is about 21214.2403116397. The cubic root of 450043992 is about 766.3344030499.

The spelling of 450043992 in words is "four hundred fifty million, forty-three thousand, nine hundred ninety-two".