1097686924240 has 20 divisors (see below), whose sum is σ = 2552122099044. Its totient is φ = 439074769664.

The previous prime is 1097686924223. The next prime is 1097686924297. The reversal of 1097686924240 is 424296867901.

It can be written as a sum of positive squares in 2 ways, for example, as 580973230656 + 516713693584 = 762216^2 + 718828^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6860543197 + ... + 6860543356.

Almost surely, 2^{1097686924240} is an apocalyptic number.

1097686924240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1097686924240 is an abundant number, since it is smaller than the sum of its proper divisors (1454435174804).

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

1097686924240 is a wasteful number, since it uses less digits than its factorization.

1097686924240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13721086566 (or 13721086560 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 58.

The spelling of 1097686924240 in words is "one trillion, ninety-seven billion, six hundred eighty-six million, nine hundred twenty-four thousand, two hundred forty".