8440487248 has 20 divisors (see below), whose sum is σ = 16354983348. Its totient is φ = 4219846400.

The previous prime is 8440487239. The next prime is 8440487257. The reversal of 8440487248 is 8427840448.

It is an interprime number because it is at equal distance from previous prime (8440487239) and next prime (8440487257).

It can be written as a sum of positive squares in 2 ways, for example, as 5762631744 + 2677855504 = 75912^2 + 51748^2 .

It is a super-2 number, since 2×8440487248² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 229290 + ... + 263542.

Almost surely, 2^8440487248 is an apocalyptic number.

It is an amenable number.

8440487248 is a deficient number, since it is larger than the sum of its proper divisors (7914496100).

8440487248 is a wasteful number, since it uses less digits than its factorization.

8440487248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49662 (or 49656 counting only the distinct ones).

The product of its (nonzero) digits is 1835008, while the sum is 49.

The square root of 8440487248 is about 91872.1244339109. The cubic root of 8440487248 is about 2036.0534400564.

The spelling of 8440487248 in words is "eight billion, four hundred forty million, four hundred eighty-seven thousand, two hundred forty-eight".