320012552254400 has 84 divisors (see below), whose sum is σ = 790336536489120. Its totient is φ = 127532677478400.

The previous prime is 320012552254397. The next prime is 320012552254403. The reversal of 320012552254400 is 4452255210023.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (320012552254397) and next prime (320012552254403).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320012552254403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 368584565 + ... + 369451764.

Almost surely, 2^{320012552254400} is an apocalyptic number.

It is an amenable number.

320012552254400 is an abundant number, since it is smaller than the sum of its proper divisors (470323984234720).

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

320012552254400 is a wasteful number, since it uses less digits than its factorization.

320012552254400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738036622 (or 738036607 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 35.

The spelling of 320012552254400 in words is "three hundred twenty trillion, twelve billion, five hundred fifty-two million, two hundred fifty-four thousand, four hundred".