450038493 has 24 divisors (see below), whose sum is σ = 683242560. Its totient is φ = 284898240.

The previous prime is 450038471. The next prime is 450038513. The reversal of 450038493 is 394830054.

It is not a de Polignac number, because 450038493 - 2⁵ = 450038461 is a prime.

It is a super-2 number, since 2×450038493² = 405069290363422098, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450038993) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20953 + ... + 36593.

It is an arithmetic number, because the mean of its divisors is an integer number (28468440).

Almost surely, 2^450038493 is an apocalyptic number.

It is an amenable number.

450038493 is a deficient number, since it is larger than the sum of its proper divisors (233204067).

450038493 is a wasteful number, since it uses less digits than its factorization.

450038493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15809 (or 15806 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 450038493 is about 21214.1107049058. The cubic root of 450038493 is about 766.3312818068.

The spelling of 450038493 in words is "four hundred fifty million, thirty-eight thousand, four hundred ninety-three".