12003764440 has 16 divisors (see below), whose sum is σ = 27008470080. Its totient is φ = 4801505760.

The previous prime is 12003764431. The next prime is 12003764441. The reversal of 12003764440 is 4446730021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12003764441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150047016 + ... + 150047095.

It is an arithmetic number, because the mean of its divisors is an integer number (1688029380).

Almost surely, 2^12003764440 is an apocalyptic number.

12003764440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12003764440 is an abundant number, since it is smaller than the sum of its proper divisors (15004705640).

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

12003764440 is a wasteful number, since it uses less digits than its factorization.

12003764440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300094122 (or 300094118 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 31.

The spelling of 12003764440 in words is "twelve billion, three million, seven hundred sixty-four thousand, four hundred forty".