1398822656960 has 112 divisors (see below), whose sum is σ = 3395796307200. Its totient is φ = 548648116224.

The previous prime is 1398822656941. The next prime is 1398822656971. The reversal of 1398822656960 is 696562288931.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29809196 + ... + 29856084.

Almost surely, 2^{1398822656960} is an apocalyptic number.

1398822656960 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 1398822656960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1697898153600).

1398822656960 is an abundant number, since it is smaller than the sum of its proper divisors (1996973650240).

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

1398822656960 is a wasteful number, since it uses less digits than its factorization.

1398822656960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48718 (or 48708 counting only the distinct ones).

The product of its (nonzero) digits is 67184640, while the sum is 65.

The spelling of 1398822656960 in words is "one trillion, three hundred ninety-eight billion, eight hundred twenty-two million, six hundred fifty-six thousand, nine hundred sixty".