1100321012340 has 288 divisors, whose sum is σ = 3704211568512. Its totient is φ = 262144512000.

The previous prime is 1100321012339. The next prime is 1100321012347. The reversal of 1100321012340 is 432101230011.

1100321012340 is a `hidden beast` number, since 1 + 1 + 0 + 0 + 321 + 0 + 1 + 2 + 340 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100321012347) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 40602195 + ... + 40629285.

It is an arithmetic number, because the mean of its divisors is an integer number (12861845724).

Almost surely, 2^{1100321012340} is an apocalyptic number.

1100321012340 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 1100321012340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1852105784256).

1100321012340 is an abundant number, since it is smaller than the sum of its proper divisors (2603890556172).

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

1100321012340 is a wasteful number, since it uses less digits than its factorization.

1100321012340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27471 (or 27466 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1100321012340 its reverse (432101230011), we get a palindrome (1532422242351).

The spelling of 1100321012340 in words is "one trillion, one hundred billion, three hundred twenty-one million, twelve thousand, three hundred forty".