3157489642368 has 256 divisors, whose sum is σ = 8574158188800. Its totient is φ = 1029344870400.

The previous prime is 3157489642367. The next prime is 3157489642421. The reversal of 3157489642368 is 8632469847513.

It is a super-3 number, since 3×3157489642368³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 3157489642299 and 3157489642308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3157489642361) 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 31 ways as a sum of consecutive naturals, for example, 1247525263 + ... + 1247527793.

It is an arithmetic number, because the mean of its divisors is an integer number (33492805425).

Almost surely, 2^{3157489642368} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3157489642368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4287079094400).

3157489642368 is an abundant number, since it is smaller than the sum of its proper divisors (5416668546432).

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

3157489642368 is a wasteful number, since it uses less digits than its factorization.

3157489642368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3021 (or 3009 counting only the distinct ones).

The product of its digits is 209018880, while the sum is 66.

The spelling of 3157489642368 in words is "three trillion, one hundred fifty-seven billion, four hundred eighty-nine million, six hundred forty-two thousand, three hundred sixty-eight".