440285436 has 48 divisors (see below), whose sum is σ = 1178311680. Its totient is φ = 142026480.

The previous prime is 440285393. The next prime is 440285449. The reversal of 440285436 is 634582044.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 440285436.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 62406 + ... + 69101.

It is an arithmetic number, because the mean of its divisors is an integer number (24548160).

Almost surely, 2^440285436 is an apocalyptic number.

It is an amenable number.

440285436 is an abundant number, since it is smaller than the sum of its proper divisors (738026244).

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

440285436 is a wasteful number, since it uses less digits than its factorization.

440285436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131551 (or 131543 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

The square root of 440285436 is about 20982.9796740120. The cubic root of 440285436 is about 760.7549262273.

The spelling of 440285436 in words is "four hundred forty million, two hundred eighty-five thousand, four hundred thirty-six".