9449257480 has 64 divisors (see below), whose sum is σ = 22939282800. Its totient is φ = 3482403840.

The previous prime is 9449257453. The next prime is 9449257483. The reversal of 9449257480 is 847529449.

It can be written as a sum of positive squares in 8 ways, for example, as 4914851236 + 4534406244 = 70106^2 + 67338^2 .

It is a Harshad number since it is a multiple of its sum of digits (52).

It is not an unprimeable number, because it can be changed into a prime (9449257483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 264526 + ... + 298114.

Almost surely, 2^9449257480 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9449257480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11469641400).

9449257480 is an abundant number, since it is smaller than the sum of its proper divisors (13490025320).

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

9449257480 is a wasteful number, since it uses less digits than its factorization.

9449257480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34154 (or 34150 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 52.

The square root of 9449257480 is about 97207.2912903142. The cubic root of 9449257480 is about 2114.1342450447.

The spelling of 9449257480 in words is "nine billion, four hundred forty-nine million, two hundred fifty-seven thousand, four hundred eighty".