2400866440812 has 36 divisors (see below), whose sum is σ = 6935836385296. Its totient is φ = 685961840160.

The previous prime is 2400866440789. The next prime is 2400866440873. The reversal of 2400866440812 is 2180446680042.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4763623639 + ... + 4763624142.

Almost surely, 2^{2400866440812} is an apocalyptic number.

It is an amenable number.

2400866440812 is an abundant number, since it is smaller than the sum of its proper divisors (4534969944484).

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

2400866440812 is a wasteful number, since it uses less digits than its factorization.

2400866440812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9527247798 (or 9527247793 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 45.

The spelling of 2400866440812 in words is "two trillion, four hundred billion, eight hundred sixty-six million, four hundred forty thousand, eight hundred twelve".