9451736448 has 256 divisors, whose sum is σ = 31421744640. Its totient is φ = 2445557760.

The previous prime is 9451736443. The next prime is 9451736461. The reversal of 9451736448 is 8446371549.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 9451736448.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9451736443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11028436 + ... + 11029292.

It is an arithmetic number, because the mean of its divisors is an integer number (122741190).

Almost surely, 2^9451736448 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 9451736448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15710872320).

9451736448 is an abundant number, since it is smaller than the sum of its proper divisors (21970008192).

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

9451736448 is a wasteful number, since it uses less digits than its factorization.

9451736448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1265 (or 1253 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 51.

The square root of 9451736448 is about 97220.0413906515. The cubic root of 9451736448 is about 2114.3191065859.

The spelling of 9451736448 in words is "nine billion, four hundred fifty-one million, seven hundred thirty-six thousand, four hundred forty-eight".