9549450456 has 144 divisors (see below), whose sum is σ = 30072573000. Its totient is φ = 2518483968.

The previous prime is 9549450439. The next prime is 9549450461. The reversal of 9549450456 is 6540549459.

It is a junction number, because it is equal to n+sod(n) for n = 9549450399 and 9549450408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 174720 + ... + 222768.

Almost surely, 2^9549450456 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 9549450456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15036286500).

9549450456 is an abundant number, since it is smaller than the sum of its proper divisors (20523122544).

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

9549450456 is a wasteful number, since it uses less digits than its factorization.

9549450456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48098 (or 48074 counting only the distinct ones).

The product of its (nonzero) digits is 3888000, while the sum is 51.

The square root of 9549450456 is about 97721.2896763034. The cubic root of 9549450456 is about 2121.5802309769.

The spelling of 9549450456 in words is "nine billion, five hundred forty-nine million, four hundred fifty thousand, four hundred fifty-six".