11110400040 has 64 divisors (see below), whose sum is σ = 33338511360. Its totient is φ = 2962123520.

The previous prime is 11110400023. The next prime is 11110400083. The reversal of 11110400040 is 4000401111.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 11110399989 and 11110400025.

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 15 ways as a sum of consecutive naturals, for example, 822622 + ... + 836018.

It is an arithmetic number, because the mean of its divisors is an integer number (520914240).

Almost surely, 2^11110400040 is an apocalyptic number.

11110400040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11110400040 is an abundant number, since it is smaller than the sum of its proper divisors (22228111320).

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

11110400040 is a wasteful number, since it uses less digits than its factorization.

11110400040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20322 (or 20318 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 11110400040 its reverse (4000401111), we get a palindrome (15110801151).

The spelling of 11110400040 in words is "eleven billion, one hundred ten million, four hundred thousand, forty".