1100423040040 has 32 divisors (see below), whose sum is σ = 2476729018080. Its totient is φ = 440031051072.

The previous prime is 1100423040011. The next prime is 1100423040091. The reversal of 1100423040040 is 400403240011.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4188582 + ... + 4443541.

It is an arithmetic number, because the mean of its divisors is an integer number (77397781815).

Almost surely, 2^{1100423040040} is an apocalyptic number.

1100423040040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100423040040 is an abundant number, since it is smaller than the sum of its proper divisors (1376305978040).

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

1100423040040 is a wasteful number, since it uses less digits than its factorization.

1100423040040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8635321 (or 8635317 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 1100423040040 its reverse (400403240011), we get a palindrome (1500826280051).

The spelling of 1100423040040 in words is "one trillion, one hundred billion, four hundred twenty-three million, forty thousand, forty".