842519220 has 48 divisors (see below), whose sum is σ = 2365796160. Its totient is φ = 224029696.

The previous prime is 842519213. The next prime is 842519221. The reversal of 842519220 is 22915248.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842519221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1291 + ... + 41069.

It is an arithmetic number, because the mean of its divisors is an integer number (49287420).

Almost surely, 2^842519220 is an apocalyptic number.

It is an amenable number.

842519220 is an abundant number, since it is smaller than the sum of its proper divisors (1523276940).

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

842519220 is a wasteful number, since it uses less digits than its factorization.

842519220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40144 (or 40142 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 842519220 is about 29026.1816296943. The cubic root of 842519220 is about 944.4811014248.

The spelling of 842519220 in words is "eight hundred forty-two million, five hundred nineteen thousand, two hundred twenty".