12004402040 has 16 divisors (see below), whose sum is σ = 27009904680. Its totient is φ = 4801760800.

The previous prime is 12004402037. The next prime is 12004402051. The reversal of 12004402040 is 4020440021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150054986 + ... + 150055065.

Almost surely, 2^12004402040 is an apocalyptic number.

12004402040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12004402040 is an abundant number, since it is smaller than the sum of its proper divisors (15005502640).

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

12004402040 is a wasteful number, since it uses less digits than its factorization.

12004402040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300110062 (or 300110058 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 12004402040 its reverse (4020440021), we get a palindrome (16024842061).

The spelling of 12004402040 in words is "twelve billion, four million, four hundred two thousand, forty".