361157843860 has 96 divisors (see below), whose sum is σ = 840423467520. Its totient is φ = 129262953600.

The previous prime is 361157843843. The next prime is 361157843869. The reversal of 361157843860 is 68348751163.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 361157843798 and 361157843807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (361157843869) 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, 19019851 + ... + 19038829.

It is an arithmetic number, because the mean of its divisors is an integer number (8754411120).

Almost surely, 2^361157843860 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 361157843860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (420211733760).

361157843860 is an abundant number, since it is smaller than the sum of its proper divisors (479265623660).

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

361157843860 is a wasteful number, since it uses less digits than its factorization.

361157843860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20357 (or 20355 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 52.

The spelling of 361157843860 in words is "three hundred sixty-one billion, one hundred fifty-seven million, eight hundred forty-three thousand, eight hundred sixty".