439726640185140 has 144 divisors (see below), whose sum is σ = 1546674860201856. Its totient is φ = 91371769378560.

The previous prime is 439726640185093. The next prime is 439726640185159. The reversal of 439726640185140 is 41581046627934.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4326264019 + ... + 4326365658.

It is a 1-persistent number, because it is pandigital, but 2⋅439726640185140 = 879453280370280 is not.

Almost surely, 2^{439726640185140} is an apocalyptic number.

It is an amenable number.

439726640185140 is an abundant number, since it is smaller than the sum of its proper divisors (1106948220016716).

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

439726640185140 is a wasteful number, since it uses less digits than its factorization.

439726640185140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8652629718 (or 8652629705 counting only the distinct ones).

The product of its (nonzero) digits is 34836480, while the sum is 60.

The spelling of 439726640185140 in words is "four hundred thirty-nine trillion, seven hundred twenty-six billion, six hundred forty million, one hundred eighty-five thousand, one hundred forty".