8427424380 has 48 divisors (see below), whose sum is σ = 23813291040. Its totient is φ = 2226693888.

The previous prime is 8427424361. The next prime is 8427424387. The reversal of 8427424380 is 834247248.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8427424387) 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 15 ways as a sum of consecutive naturals, for example, 637759 + ... + 650838.

It is an arithmetic number, because the mean of its divisors is an integer number (496110230).

Almost surely, 2^8427424380 is an apocalyptic number.

It is an amenable number.

8427424380 is an abundant number, since it is smaller than the sum of its proper divisors (15385866660).

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

8427424380 is a wasteful number, since it uses less digits than its factorization.

8427424380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1288718 (or 1288716 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 42.

The square root of 8427424380 is about 91801.0042428731. The cubic root of 8427424380 is about 2035.0025358809.

The spelling of 8427424380 in words is "eight billion, four hundred twenty-seven million, four hundred twenty-four thousand, three hundred eighty".