9459316440 has 384 divisors, whose sum is σ = 38182809600. Its totient is φ = 1981946880.

The previous prime is 9459316387. The next prime is 9459316453. The reversal of 9459316440 is 446139549.

9459316440 is a `hidden beast` number, since 9 + 4 + 593 + 16 + 4 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1481094 + ... + 1487466.

It is an arithmetic number, because the mean of its divisors is an integer number (99434400).

Almost surely, 2^9459316440 is an apocalyptic number.

9459316440 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9459316440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19091404800).

9459316440 is an abundant number, since it is smaller than the sum of its proper divisors (28723493160).

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

9459316440 is a wasteful number, since it uses less digits than its factorization.

9459316440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6447 (or 6440 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The square root of 9459316440 is about 97259.0172683232. The cubic root of 9459316440 is about 2114.8841611187.

The spelling of 9459316440 in words is "nine billion, four hundred fifty-nine million, three hundred sixteen thousand, four hundred forty".