361112420 has 72 divisors (see below), whose sum is σ = 812814912. Its totient is φ = 134506240.

The previous prime is 361112417. The next prime is 361112429. The reversal of 361112420 is 24211163.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 361112392 and 361112401.

It is not an unprimeable number, because it can be changed into a prime (361112429) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 773027 + ... + 773493.

It is an arithmetic number, because the mean of its divisors is an integer number (11289096).

Almost surely, 2^361112420 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 361112420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (406407456).

361112420 is an abundant number, since it is smaller than the sum of its proper divisors (451702492).

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

361112420 is a wasteful number, since it uses less digits than its factorization.

361112420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581 (or 538 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 361112420 is about 19002.9581907660. The cubic root of 361112420 is about 712.1106406566.

Adding to 361112420 its reverse (24211163), we get a palindrome (385323583).

The spelling of 361112420 in words is "three hundred sixty-one million, one hundred twelve thousand, four hundred twenty".