11442720440064 has 72 divisors (see below), whose sum is σ = 30459225524560. Its totient is φ = 3813626216448.

The previous prime is 11442720440003. The next prime is 11442720440077. The reversal of 11442720440064 is 46004402724411.

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, 3587904 + ... + 5979840.

Almost surely, 2^{11442720440064} is an apocalyptic number.

It is an amenable number.

11442720440064 is an abundant number, since it is smaller than the sum of its proper divisors (19016505084496).

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

11442720440064 is an equidigital number, since it uses as much as digits as its factorization.

11442720440064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2398185 (or 2398171 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 39.

The spelling of 11442720440064 in words is "eleven trillion, four hundred forty-two billion, seven hundred twenty million, four hundred forty thousand, sixty-four".