1398867982560 has 384 divisors, whose sum is σ = 5008036844160. Its totient is φ = 364553699328.

The previous prime is 1398867982517. The next prime is 1398867982573. The reversal of 1398867982560 is 652897688931.

It is a Harshad number since it is a multiple of its sum of digits (72).

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 63 ways as a sum of consecutive naturals, for example, 58830834 + ... + 58854606.

It is an arithmetic number, because the mean of its divisors is an integer number (13041762615).

Almost surely, 2^{1398867982560} is an apocalyptic number.

1398867982560 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 1398867982560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2504018422080).

1398867982560 is an abundant number, since it is smaller than the sum of its proper divisors (3609168861600).

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

1398867982560 is a wasteful number, since it uses less digits than its factorization.

1398867982560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24107 (or 24093 counting only the distinct ones).

The product of its (nonzero) digits is 313528320, while the sum is 72.

The spelling of 1398867982560 in words is "one trillion, three hundred ninety-eight billion, eight hundred sixty-seven million, nine hundred eighty-two thousand, five hundred sixty".