450492140 has 48 divisors (see below), whose sum is σ = 1099526400. Its totient is φ = 151833792.

The previous prime is 450492139. The next prime is 450492143. The reversal of 450492140 is 41294054.

It is not an unprimeable number, because it can be changed into a prime (450492143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19010 + ... + 35529.

It is an arithmetic number, because the mean of its divisors is an integer number (22906800).

Almost surely, 2^450492140 is an apocalyptic number.

It is an amenable number.

450492140 is an abundant number, since it is smaller than the sum of its proper divisors (649034260).

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

450492140 is a wasteful number, since it uses less digits than its factorization.

450492140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54614 (or 54612 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 450492140 is about 21224.8001168444. The cubic root of 450492140 is about 766.5886873009.

The spelling of 450492140 in words is "four hundred fifty million, four hundred ninety-two thousand, one hundred forty".