440675328820 has 48 divisors (see below), whose sum is σ = 939657913488. Its totient is φ = 173565849600.

The previous prime is 440675328817. The next prime is 440675328937. The reversal of 440675328820 is 28823576044.

It can be written as a sum of positive squares in 8 ways, for example, as 65472527376 + 375202801444 = 255876^2 + 612538^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 626352 + ... + 1128568.

It is an arithmetic number, because the mean of its divisors is an integer number (19576206531).

Almost surely, 2^440675328820 is an apocalyptic number.

It is an amenable number.

440675328820 is an abundant number, since it is smaller than the sum of its proper divisors (498982584668).

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

440675328820 is a wasteful number, since it uses less digits than its factorization.

440675328820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502900 (or 502898 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 49.

The spelling of 440675328820 in words is "four hundred forty billion, six hundred seventy-five million, three hundred twenty-eight thousand, eight hundred twenty".