1098099054840 has 64 divisors (see below), whose sum is σ = 3308435863200. Its totient is φ = 291569641472.

The previous prime is 1098099054827. The next prime is 1098099054847. The reversal of 1098099054840 is 484509908901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1098099054847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19609005 + ... + 19664924.

Almost surely, 2^{1098099054840} is an apocalyptic number.

1098099054840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1098099054840 is an abundant number, since it is smaller than the sum of its proper divisors (2210336808360).

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

1098099054840 is a wasteful number, since it uses less digits than its factorization.

1098099054840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39274176 (or 39274172 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 57.

The spelling of 1098099054840 in words is "one trillion, ninety-eight billion, ninety-nine million, fifty-four thousand, eight hundred forty".