2144352052464 has 160 divisors (see below), whose sum is σ = 5740253028864. Its totient is φ = 689407380480.

The previous prime is 2144352052463. The next prime is 2144352052483. The reversal of 2144352052464 is 4642502534412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144352052463) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62659422 + ... + 62693634.

Almost surely, 2^{2144352052464} is an apocalyptic number.

2144352052464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2144352052464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2870126514432).

2144352052464 is an abundant number, since it is smaller than the sum of its proper divisors (3595900976400).

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

2144352052464 is a wasteful number, since it uses less digits than its factorization.

2144352052464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34695 (or 34689 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 42.

Adding to 2144352052464 its reverse (4642502534412), we get a palindrome (6786854586876).

The spelling of 2144352052464 in words is "two trillion, one hundred forty-four billion, three hundred fifty-two million, fifty-two thousand, four hundred sixty-four".