1098807843840 has 1408 divisors, whose sum is σ = 4523108843520. Its totient is φ = 221770678272.

The previous prime is 1098807843803. The next prime is 1098807843853. The reversal of 1098807843840 is 483487088901.

It is a Harshad number since it is a multiple of its sum of digits (60).

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 127 ways as a sum of consecutive naturals, for example, 2480378659 + ... + 2480379101.

Almost surely, 2^{1098807843840} is an apocalyptic number.

1098807843840 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 1098807843840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2261554421760).

1098807843840 is an abundant number, since it is smaller than the sum of its proper divisors (3424300999680).

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

1098807843840 is a wasteful number, since it uses less digits than its factorization.

1098807843840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577 (or 559 counting only the distinct ones).

The product of its (nonzero) digits is 12386304, while the sum is 60.

The spelling of 1098807843840 in words is "one trillion, ninety-eight billion, eight hundred seven million, eight hundred forty-three thousand, eight hundred forty".