8240519620 has 12 divisors (see below), whose sum is σ = 17305091244. Its totient is φ = 3296207840.

The previous prime is 8240519597. The next prime is 8240519629. The reversal of 8240519620 is 269150428.

It can be written as a sum of positive squares in 2 ways, for example, as 2025720064 + 6214799556 = 45008^2 + 78834^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 8240519620.

It is not an unprimeable number, because it can be changed into a prime (8240519629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206012971 + ... + 206013010.

It is an arithmetic number, because the mean of its divisors is an integer number (1442090937).

Almost surely, 2^8240519620 is an apocalyptic number.

It is an amenable number.

8240519620 is an abundant number, since it is smaller than the sum of its proper divisors (9064571624).

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

8240519620 is a wasteful number, since it uses less digits than its factorization.

8240519620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412025990 (or 412025988 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 8240519620 is about 90777.3078472809. The cubic root of 8240519620 is about 2019.8457239298.

The spelling of 8240519620 in words is "eight billion, two hundred forty million, five hundred nineteen thousand, six hundred twenty".