2400444066064 has 20 divisors (see below), whose sum is σ = 5073665867280. Its totient is φ = 1091110939040.

The previous prime is 2400444066043. The next prime is 2400444066067. The reversal of 2400444066064 is 4606604440042.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2400444066067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6819443194 + ... + 6819443545.

It is an arithmetic number, because the mean of its divisors is an integer number (253683293364).

Almost surely, 2^{2400444066064} is an apocalyptic number.

It is an amenable number.

2400444066064 is an abundant number, since it is smaller than the sum of its proper divisors (2673221801216).

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

2400444066064 is a wasteful number, since it uses less digits than its factorization.

2400444066064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13638886758 (or 13638886752 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 40.

The spelling of 2400444066064 in words is "two trillion, four hundred billion, four hundred forty-four million, sixty-six thousand, sixty-four".