1368422559640 has 16 divisors (see below), whose sum is σ = 3078950759280. Its totient is φ = 547369023840.

The previous prime is 1368422559599. The next prime is 1368422559641. The reversal of 1368422559640 is 469552248631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1368422559641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17105281956 + ... + 17105282035.

It is an arithmetic number, because the mean of its divisors is an integer number (192434422455).

Almost surely, 2^{1368422559640} is an apocalyptic number.

1368422559640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1368422559640 is an abundant number, since it is smaller than the sum of its proper divisors (1710528199640).

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

1368422559640 is a wasteful number, since it uses less digits than its factorization.

1368422559640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34210564002 (or 34210563998 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 55.

The spelling of 1368422559640 in words is "one trillion, three hundred sixty-eight billion, four hundred twenty-two million, five hundred fifty-nine thousand, six hundred forty".