1398266880192 has 672 divisors, whose sum is σ = 5175737176064. Its totient is φ = 351002419200.

The previous prime is 1398266880187. The next prime is 1398266880293. The reversal of 1398266880192 is 2910886628931.

1398266880192 is a `hidden beast` number, since 1 + 398 + 26 + 68 + 80 + 1 + 92 = 666.

It is a tau number, because it is divible by the number of its divisors (672).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 99111603 + ... + 99125709.

Almost surely, 2^{1398266880192} is an apocalyptic number.

1398266880192 is a gapful number since it is divisible by the number (12) 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 1398266880192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2587868588032).

1398266880192 is an abundant number, since it is smaller than the sum of its proper divisors (3777470295872).

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

1398266880192 is a wasteful number, since it uses less digits than its factorization.

1398266880192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14237 (or 14224 counting only the distinct ones).

The product of its (nonzero) digits is 17915904, while the sum is 63.

The spelling of 1398266880192 in words is "one trillion, three hundred ninety-eight billion, two hundred sixty-six million, eight hundred eighty thousand, one hundred ninety-two".