440606472387 has 8 divisors (see below), whose sum is σ = 587494700736. Its totient is φ = 293727946152.

The previous prime is 440606472377. The next prime is 440606472409. The reversal of 440606472387 is 783274606044.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 440606472387 - 2¹⁵ = 440606439619 is a prime.

It is not an unprimeable number, because it can be changed into a prime (440606472337) 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, 2318893 + ... + 2501694.

It is an arithmetic number, because the mean of its divisors is an integer number (73436837592).

Almost surely, 2^440606472387 is an apocalyptic number.

440606472387 is a deficient number, since it is larger than the sum of its proper divisors (146888228349).

440606472387 is a wasteful number, since it uses less digits than its factorization.

440606472387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4851057.

The product of its (nonzero) digits is 5419008, while the sum is 51.

The spelling of 440606472387 in words is "four hundred forty billion, six hundred six million, four hundred seventy-two thousand, three hundred eighty-seven".