9955449504 has 576 divisors, whose sum is σ = 39450378240. Its totient is φ = 2385054720.

The previous prime is 9955449443. The next prime is 9955449557. The reversal of 9955449504 is 4059445599.

9955449504 is a `hidden beast` number, since 9 + 9 + 5 + 544 + 95 + 0 + 4 = 666.

It is a super-2 number, since 2×9955449504² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 7783137 + ... + 7784415.

It is an arithmetic number, because the mean of its divisors is an integer number (68490240).

Almost surely, 2^9955449504 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 9955449504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19725189120).

9955449504 is an abundant number, since it is smaller than the sum of its proper divisors (29494928736).

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

9955449504 is a wasteful number, since it uses less digits than its factorization.

9955449504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1335 (or 1315 counting only the distinct ones).

The product of its (nonzero) digits is 5832000, while the sum is 54.

The square root of 9955449504 is about 99776.9988724856. The cubic root of 9955449504 is about 2151.2305559840.

The spelling of 9955449504 in words is "nine billion, nine hundred fifty-five million, four hundred forty-nine thousand, five hundred four".