440000487 has 12 divisors (see below), whose sum is σ = 635969880. Its totient is φ = 293142768.

The previous prime is 440000413. The next prime is 440000489. The reversal of 440000487 is 784000044.

It is not a de Polignac number, because 440000487 - 2¹⁰ = 439999463 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 440000487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440000489) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 528 + ... + 29669.

It is an arithmetic number, because the mean of its divisors is an integer number (52997490).

Almost surely, 2^440000487 is an apocalyptic number.

440000487 is a deficient number, since it is larger than the sum of its proper divisors (195969393).

440000487 is a wasteful number, since it uses less digits than its factorization.

440000487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31822 (or 31819 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 440000487 is about 20976.1885718068. The cubic root of 440000487 is about 760.5907727640.

The spelling of 440000487 in words is "four hundred forty million, four hundred eighty-seven", and thus it is an aban number.