440291328087 has 8 divisors (see below), whose sum is σ = 632213189104. Its totient is φ = 270948509568.

The previous prime is 440291328031. The next prime is 440291328089. The reversal of 440291328087 is 780823192044.

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

It is not a de Polignac number, because 440291328087 - 2¹⁵ = 440291295319 is a prime.

It is a super-2 number, since 2×440291328087² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440291328089) 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, 5644760578 + ... + 5644760655.

It is an arithmetic number, because the mean of its divisors is an integer number (79026648638).

Almost surely, 2^440291328087 is an apocalyptic number.

440291328087 is a deficient number, since it is larger than the sum of its proper divisors (191921861017).

440291328087 is a wasteful number, since it uses less digits than its factorization.

440291328087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11289521249.

The product of its (nonzero) digits is 774144, while the sum is 48.

The spelling of 440291328087 in words is "four hundred forty billion, two hundred ninety-one million, three hundred twenty-eight thousand, eighty-seven".