4471546840 has 64 divisors (see below), whose sum is σ = 10553794560. Its totient is φ = 1701828480.

The previous prime is 4471546813. The next prime is 4471546847. The reversal of 4471546840 is 486451744.

It is a happy number.

It is a super-2 number, since 2×4471546840² = 39989462284627971200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4471546847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162997 + ... + 188443.

It is an arithmetic number, because the mean of its divisors is an integer number (164903040).

Almost surely, 2^4471546840 is an apocalyptic number.

4471546840 is a gapful number since it is divisible by the number (40) 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 4471546840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5276897280).

4471546840 is an abundant number, since it is smaller than the sum of its proper divisors (6082247720).

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

4471546840 is a wasteful number, since it uses less digits than its factorization.

4471546840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25672 (or 25668 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 43.

The square root of 4471546840 is about 66869.6256905929. The cubic root of 4471546840 is about 1647.4766253247.

The spelling of 4471546840 in words is "four billion, four hundred seventy-one million, five hundred forty-six thousand, eight hundred forty".