3901318850256 has 160 divisors (see below), whose sum is σ = 10338082748928. Its totient is φ = 1267184271360.

The previous prime is 3901318850243. The next prime is 3901318850279. The reversal of 3901318850256 is 6520588131093.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 3901318850199 and 3901318850208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1212717960 + ... + 1212721176.

Almost surely, 2^{3901318850256} 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 3901318850256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5169041374464).

3901318850256 is an abundant number, since it is smaller than the sum of its proper divisors (6436763898672).

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

3901318850256 is a wasteful number, since it uses less digits than its factorization.

3901318850256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5469 (or 5463 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 51.

It can be divided in two parts, 3901318 and 850256, that added together give a palindrome (4751574).

The spelling of 3901318850256 in words is "three trillion, nine hundred one billion, three hundred eighteen million, eight hundred fifty thousand, two hundred fifty-six".