9651224880 has 240 divisors, whose sum is σ = 35845089696. Its totient is φ = 2307502080.

The previous prime is 9651224873. The next prime is 9651224927. The reversal of 9651224880 is 884221569.

9651224880 is a `hidden beast` number, since 96 + 512 + 2 + 48 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a super-2 number, since 2×9651224880² (a number of 21 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 569814 + ... + 586506.

Almost surely, 2^9651224880 is an apocalyptic number.

9651224880 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 9651224880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17922544848).

9651224880 is an abundant number, since it is smaller than the sum of its proper divisors (26193864816).

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

9651224880 is a wasteful number, since it uses less digits than its factorization.

9651224880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16796 (or 16787 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 9651224880 is about 98240.6477991671. The cubic root of 9651224880 is about 2129.0906122618.

The spelling of 9651224880 in words is "nine billion, six hundred fifty-one million, two hundred twenty-four thousand, eight hundred eighty".