2143444341402 has 288 divisors, whose sum is σ = 5930741771136. Its totient is φ = 544422643200.

The previous prime is 2143444341397. The next prime is 2143444341407. The reversal of 2143444341402 is 2041434443412.

2143444341402 is a `hidden beast` number, since 2 + 1 + 43 + 44 + 434 + 140 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (2143444341397) and next prime (2143444341407).

It is not an unprimeable number, because it can be changed into a prime (2143444341407) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 618240073 + ... + 618243539.

It is an arithmetic number, because the mean of its divisors is an integer number (20592853372).

Almost surely, 2^{2143444341402} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2143444341402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2965370885568).

2143444341402 is an abundant number, since it is smaller than the sum of its proper divisors (3787297429734).

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

2143444341402 is a wasteful number, since it uses less digits than its factorization.

2143444341402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3734 (or 3630 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 36.

Adding to 2143444341402 its reverse (2041434443412), we get a palindrome (4184878784814).

The spelling of 2143444341402 in words is "two trillion, one hundred forty-three billion, four hundred forty-four million, three hundred forty-one thousand, four hundred two".