11404200440 has 32 divisors (see below), whose sum is σ = 27168832080. Its totient is φ = 4293345792.

The previous prime is 11404200433. The next prime is 11404200487. The reversal of 11404200440 is 4400240411.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8384762 + ... + 8386121.

Almost surely, 2^11404200440 is an apocalyptic number.

11404200440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11404200440 is an abundant number, since it is smaller than the sum of its proper divisors (15764631640).

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

11404200440 is a wasteful number, since it uses less digits than its factorization.

11404200440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16770911 (or 16770907 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 11404200440 its reverse (4400240411), we get a palindrome (15804440851).

The spelling of 11404200440 in words is "eleven billion, four hundred four million, two hundred thousand, four hundred forty".