11110400440 has 32 divisors (see below), whose sum is σ = 25279290000. Its totient is φ = 4394224384.

The previous prime is 11110400429. The next prime is 11110400449. The reversal of 11110400440 is 4400401111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11110400449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1556890 + ... + 1564009.

Almost surely, 2^11110400440 is an apocalyptic number.

11110400440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11110400440 is an abundant number, since it is smaller than the sum of its proper divisors (14168889560).

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

11110400440 is a wasteful number, since it uses less digits than its factorization.

11110400440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3120999 (or 3120995 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 11110400440 its reverse (4400401111), we get a palindrome (15510801551).

The spelling of 11110400440 in words is "eleven billion, one hundred ten million, four hundred thousand, four hundred forty".