11140204240 has 40 divisors (see below), whose sum is σ = 28255611168. Its totient is φ = 4050983040.

The previous prime is 11140204219. The next prime is 11140204247. The reversal of 11140204240 is 4240204111.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11140204247) 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, 6328782 + ... + 6330541.

Almost surely, 2^11140204240 is an apocalyptic number.

11140204240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11140204240 is an abundant number, since it is smaller than the sum of its proper divisors (17115406928).

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

11140204240 is a wasteful number, since it uses less digits than its factorization.

11140204240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12659347 (or 12659341 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 11140204240 its reverse (4240204111), we get a palindrome (15380408351).

It can be divided in two parts, 1114020 and 4240, that added together give a triangular number (1118260 = T₁₄₉₅).

The spelling of 11140204240 in words is "eleven billion, one hundred forty million, two hundred four thousand, two hundred forty".