9474446520 has 384 divisors, whose sum is σ = 40412736000. Its totient is φ = 1864995840.

The previous prime is 9474446497. The next prime is 9474446533. The reversal of 9474446520 is 256444749.

9474446520 is a `hidden beast` number, since 9 + 47 + 44 + 46 + 520 = 666.

It is a super-2 number, since 2×9474446520² (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 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, 517686 + ... + 535674.

It is an arithmetic number, because the mean of its divisors is an integer number (105241500).

Almost surely, 2^9474446520 is an apocalyptic number.

9474446520 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 9474446520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20206368000).

9474446520 is an abundant number, since it is smaller than the sum of its proper divisors (30938289480).

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

9474446520 is a wasteful number, since it uses less digits than its factorization.

9474446520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18043 (or 18036 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 45.

The square root of 9474446520 is about 97336.7685923464. The cubic root of 9474446520 is about 2116.0111390049.

The spelling of 9474446520 in words is "nine billion, four hundred seventy-four million, four hundred forty-six thousand, five hundred twenty".