2440401806864 has 40 divisors (see below), whose sum is σ = 5468852262720. Its totient is φ = 1033285442688.

The previous prime is 2440401806807. The next prime is 2440401806873. The reversal of 2440401806864 is 4686081040442.

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, 131251559 + ... + 131270150.

It is an arithmetic number, because the mean of its divisors is an integer number (136721306568).

Almost surely, 2^{2440401806864} is an apocalyptic number.

It is an amenable number.

2440401806864 is an abundant number, since it is smaller than the sum of its proper divisors (3028450455856).

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

2440401806864 is a wasteful number, since it uses less digits than its factorization.

2440401806864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262521807 (or 262521801 counting only the distinct ones).

The product of its (nonzero) digits is 1179648, while the sum is 47.

The spelling of 2440401806864 in words is "two trillion, four hundred forty billion, four hundred one million, eight hundred six thousand, eight hundred sixty-four".