1320232426368 has 64 divisors (see below), whose sum is σ = 3521418946320. Its totient is φ = 438251397120.

The previous prime is 1320232426361. The next prime is 1320232426379. The reversal of 1320232426368 is 8636242320231.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320232426361) 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, 7040455 + ... + 7225542.

Almost surely, 2^{1320232426368} is an apocalyptic number.

It is an amenable number.

1320232426368 is an abundant number, since it is smaller than the sum of its proper divisors (2201186519952).

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

1320232426368 is a wasteful number, since it uses less digits than its factorization.

1320232426368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14266255 (or 14266243 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 42.

Adding to 1320232426368 its reverse (8636242320231), we get a palindrome (9956474746599).

The spelling of 1320232426368 in words is "one trillion, three hundred twenty billion, two hundred thirty-two million, four hundred twenty-six thousand, three hundred sixty-eight".