2387441893842 has 160 divisors (see below), whose sum is σ = 5649664394880. Its totient is φ = 751462064640.

The previous prime is 2387441893841. The next prime is 2387441893877. The reversal of 2387441893842 is 2483981447832.

It is a happy number.

2387441893842 is a `hidden beast` number, since 2 + 3 + 8 + 74 + 4 + 189 + 384 + 2 = 666.

It is a super-3 number, since 3×2387441893842³ (a number of 38 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2387441893842.

It is not an unprimeable number, because it can be changed into a prime (2387441893841) by changing a digit.

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 79 ways as a sum of consecutive naturals, for example, 2443645258 + ... + 2443646234.

It is an arithmetic number, because the mean of its divisors is an integer number (35310402468).

Almost surely, 2^{2387441893842} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2387441893842, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2824832197440).

2387441893842 is an abundant number, since it is smaller than the sum of its proper divisors (3262222501038).

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

2387441893842 is a wasteful number, since it uses less digits than its factorization.

2387441893842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2798 (or 2789 counting only the distinct ones).

The product of its digits is 74317824, while the sum is 63.

The spelling of 2387441893842 in words is "two trillion, three hundred eighty-seven billion, four hundred forty-one million, eight hundred ninety-three thousand, eight hundred forty-two".