459809940 has 24 divisors (see below), whose sum is σ = 1287468000. Its totient is φ = 122615968.

The previous prime is 459809939. The next prime is 459809969. The reversal of 459809940 is 49908954.

It is a super-2 number, since 2×459809940² = 422850361845607200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 459809940.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3831690 + ... + 3831809.

It is an arithmetic number, because the mean of its divisors is an integer number (53644500).

Almost surely, 2^459809940 is an apocalyptic number.

It is an amenable number.

459809940 is an abundant number, since it is smaller than the sum of its proper divisors (827658060).

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

459809940 is a wasteful number, since it uses less digits than its factorization.

459809940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7663511 (or 7663509 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 48.

The square root of 459809940 is about 21443.1793351639. The cubic root of 459809940 is about 771.8379325466.

The spelling of 459809940 in words is "four hundred fifty-nine million, eight hundred nine thousand, nine hundred forty".