8427829040 has 40 divisors (see below), whose sum is σ = 19926827280. Its totient is φ = 3313991936.

The previous prime is 8427829009. The next prime is 8427829057. The reversal of 8427829040 is 409287248.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 8427828982 and 8427829000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 888059 + ... + 897498.

It is an arithmetic number, because the mean of its divisors is an integer number (498170682).

Almost surely, 2^8427829040 is an apocalyptic number.

8427829040 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8427829040 is an abundant number, since it is smaller than the sum of its proper divisors (11498998240).

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

8427829040 is a wasteful number, since it uses less digits than its factorization.

8427829040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1785629 (or 1785623 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 44.

The square root of 8427829040 is about 91803.2082228067. The cubic root of 8427829040 is about 2035.0351069611.

The spelling of 8427829040 in words is "eight billion, four hundred twenty-seven million, eight hundred twenty-nine thousand, forty".