320437336553372 has 6 divisors (see below), whose sum is σ = 560765338968408. Its totient is φ = 160218668276684.

The previous prime is 320437336553371. The next prime is 320437336553423. The reversal of 320437336553372 is 273355633734023.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320437336553371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40054667069168 + ... + 40054667069175.

It is an arithmetic number, because the mean of its divisors is an integer number (93460889828068).

Almost surely, 2^{320437336553372} is an apocalyptic number.

It is an amenable number.

320437336553372 is a deficient number, since it is larger than the sum of its proper divisors (240328002415036).

320437336553372 is a wasteful number, since it uses less digits than its factorization.

320437336553372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80109334138347 (or 80109334138345 counting only the distinct ones).

The product of its (nonzero) digits is 85730400, while the sum is 56.

The spelling of 320437336553372 in words is "three hundred twenty trillion, four hundred thirty-seven billion, three hundred thirty-six million, five hundred fifty-three thousand, three hundred seventy-two".