320441140040424 has 128 divisors (see below), whose sum is σ = 874660661562240. Its totient is φ = 97233688645632.

The previous prime is 320441140040369. The next prime is 320441140040473. The reversal of 320441140040424 is 424040041144023.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 170958364 + ... + 172822580.

It is an arithmetic number, because the mean of its divisors is an integer number (6833286418455).

Almost surely, 2^{320441140040424} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 320441140040424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (437330330781120).

320441140040424 is an abundant number, since it is smaller than the sum of its proper divisors (554219521521816).

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

320441140040424 is a wasteful number, since it uses less digits than its factorization.

320441140040424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1871859 (or 1871855 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 33.

Adding to 320441140040424 its reverse (424040041144023), we get a palindrome (744481181184447).

The spelling of 320441140040424 in words is "three hundred twenty trillion, four hundred forty-one billion, one hundred forty million, forty thousand, four hundred twenty-four".