4550981019552 has 288 divisors, whose sum is σ = 15382296498240. Its totient is φ = 1297961717760.

The previous prime is 4550981019547. The next prime is 4550981019619. The reversal of 4550981019552 is 2559101890554.

4550981019552 is a `hidden beast` number, since 4 + 5 + 5 + 0 + 9 + 81 + 0 + 1 + 9 + 552 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a super-2 number, since 2×4550981019552² (a number of 26 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 47 ways as a sum of consecutive naturals, for example, 1918198 + ... + 3575114.

It is an arithmetic number, because the mean of its divisors is an integer number (53410751730).

Almost surely, 2^{4550981019552} 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 4550981019552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7691148249120).

4550981019552 is an abundant number, since it is smaller than the sum of its proper divisors (10831315478688).

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

4550981019552 is a wasteful number, since it uses less digits than its factorization.

4550981019552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1656981 (or 1656950 counting only the distinct ones).

The product of its (nonzero) digits is 3240000, while the sum is 54.

The spelling of 4550981019552 in words is "four trillion, five hundred fifty billion, nine hundred eighty-one million, nineteen thousand, five hundred fifty-two".