2144405314452 has 24 divisors (see below), whose sum is σ = 5003793377856. Its totient is φ = 714775917568.

The previous prime is 2144405314399. The next prime is 2144405314477. The reversal of 2144405314452 is 2544135044412.

It is a self number, because there is not a number n which added to its sum of digits gives 2144405314452.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2884653 + ... + 3551060.

It is an arithmetic number, because the mean of its divisors is an integer number (208491390744).

Almost surely, 2^{2144405314452} is an apocalyptic number.

It is an amenable number.

2144405314452 is an abundant number, since it is smaller than the sum of its proper divisors (2859388063404).

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

2144405314452 is a wasteful number, since it uses less digits than its factorization.

2144405314452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6463487 (or 6463485 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 39.

The spelling of 2144405314452 in words is "two trillion, one hundred forty-four billion, four hundred five million, three hundred fourteen thousand, four hundred fifty-two".