1097326843044 has 48 divisors (see below), whose sum is σ = 2625444433920. Its totient is φ = 356523259680.

The previous prime is 1097326843031. The next prime is 1097326843057. The reversal of 1097326843044 is 4403486237901.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1097326843031) and next prime (1097326843057).

It is a super-2 number, since 2×1097326843044² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1972672 + ... + 2466999.

It is an arithmetic number, because the mean of its divisors is an integer number (54696759040).

Almost surely, 2^{1097326843044} is an apocalyptic number.

It is an amenable number.

1097326843044 is an abundant number, since it is smaller than the sum of its proper divisors (1528117590876).

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

1097326843044 is a wasteful number, since it uses less digits than its factorization.

1097326843044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4440200 (or 4440198 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 51.

The spelling of 1097326843044 in words is "one trillion, ninety-seven billion, three hundred twenty-six million, eight hundred forty-three thousand, forty-four".