320226232036440 has 64 divisors (see below), whose sum is σ = 964331466912000. Its totient is φ = 85068971138432.

The previous prime is 320226232036427. The next prime is 320226232036507. The reversal of 320226232036440 is 44630232622023.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5073261090 + ... + 5073324209.

It is an arithmetic number, because the mean of its divisors is an integer number (15067679170500).

Almost surely, 2^{320226232036440} is an apocalyptic number.

320226232036440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

320226232036440 is an abundant number, since it is smaller than the sum of its proper divisors (644105234875560).

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

320226232036440 is a wasteful number, since it uses less digits than its factorization.

320226232036440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10146585576 (or 10146585572 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 39.

Adding to 320226232036440 its reverse (44630232622023), we get a palindrome (364856464658463).

The spelling of 320226232036440 in words is "three hundred twenty trillion, two hundred twenty-six billion, two hundred thirty-two million, thirty-six thousand, four hundred forty".