1368610320 has 320 divisors, whose sum is σ = 5462507520. Its totient is φ = 275097600.

The previous prime is 1368610307. The next prime is 1368610339. The reversal of 1368610320 is 230168631.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 571686 + ... + 574074.

It is an arithmetic number, because the mean of its divisors is an integer number (17070336).

Almost surely, 2^1368610320 is an apocalyptic number.

1368610320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1368610320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2731253760).

1368610320 is an abundant number, since it is smaller than the sum of its proper divisors (4093897200).

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

1368610320 is a wasteful number, since it uses less digits than its factorization.

1368610320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2454 (or 2448 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 1368610320 is about 36994.7336792685. The cubic root of 1368610320 is about 1110.2648828123.

Adding to 1368610320 its reverse (230168631), we get a palindrome (1598778951).

The spelling of 1368610320 in words is "one billion, three hundred sixty-eight million, six hundred ten thousand, three hundred twenty".