459199940 has 24 divisors (see below), whose sum is σ = 974265432. Its totient is φ = 181785600.

The previous prime is 459199921. The next prime is 459199957. The reversal of 459199940 is 49991954.

It can be written as a sum of positive squares in 4 ways, for example, as 15507844 + 443692096 = 3938^2 + 21064^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116411 + ... + 120290.

It is an arithmetic number, because the mean of its divisors is an integer number (40594393).

Almost surely, 2^459199940 is an apocalyptic number.

It is an amenable number.

459199940 is an abundant number, since it is smaller than the sum of its proper divisors (515065492).

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

459199940 is a wasteful number, since it uses less digits than its factorization.

459199940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236807 (or 236805 counting only the distinct ones).

The product of its (nonzero) digits is 524880, while the sum is 50.

The square root of 459199940 is about 21428.9509775910. The cubic root of 459199940 is about 771.4964657404.

The spelling of 459199940 in words is "four hundred fifty-nine million, one hundred ninety-nine thousand, nine hundred forty".