440340430340 has 24 divisors (see below), whose sum is σ = 924729207360. Its totient is φ = 176133447648.

The previous prime is 440340430333. The next prime is 440340430349. The reversal of 440340430340 is 43034043044.

It is not an unprimeable number, because it can be changed into a prime (440340430349) 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, 1607951 + ... + 1861769.

It is an arithmetic number, because the mean of its divisors is an integer number (38530383640).

Almost surely, 2^440340430340 is an apocalyptic number.

It is an amenable number.

440340430340 is an abundant number, since it is smaller than the sum of its proper divisors (484388777020).

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

440340430340 is a wasteful number, since it uses less digits than its factorization.

440340430340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340571 (or 340569 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 29.

Adding to 440340430340 its reverse (43034043044), we get a palindrome (483374473384).

The spelling of 440340430340 in words is "four hundred forty billion, three hundred forty million, four hundred thirty thousand, three hundred forty".