440485660 has 24 divisors (see below), whose sum is σ = 926669520. Its totient is φ = 175880064.

The previous prime is 440485649. The next prime is 440485663. The reversal of 440485660 is 66584044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440485663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7974 + ... + 30733.

It is an arithmetic number, because the mean of its divisors is an integer number (38611230).

Almost surely, 2^440485660 is an apocalyptic number.

It is an amenable number.

440485660 is an abundant number, since it is smaller than the sum of its proper divisors (486183860).

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

440485660 is a wasteful number, since it uses less digits than its factorization.

440485660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39285 (or 39283 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 37.

The square root of 440485660 is about 20987.7502367452. The cubic root of 440485660 is about 760.8702289362.

The spelling of 440485660 in words is "four hundred forty million, four hundred eighty-five thousand, six hundred sixty".