11033404040 has 32 divisors (see below), whose sum is σ = 24834600000. Its totient is φ = 4411683264.

The previous prime is 11033404021. The next prime is 11033404103. The reversal of 11033404040 is 4040433011.

It is a happy number.

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

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, 56861 + ... + 159059.

It is an arithmetic number, because the mean of its divisors is an integer number (776081250).

Almost surely, 2^11033404040 is an apocalyptic number.

11033404040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11033404040 is an abundant number, since it is smaller than the sum of its proper divisors (13801195960).

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

11033404040 is a wasteful number, since it uses less digits than its factorization.

11033404040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104909 (or 104905 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 11033404040 its reverse (4040433011), we get a palindrome (15073837051).

The spelling of 11033404040 in words is "eleven billion, thirty-three million, four hundred four thousand, forty".