3489944580 has 144 divisors (see below), whose sum is σ = 10961443584. Its totient is φ = 898214400.

The previous prime is 3489944573. The next prime is 3489944597. The reversal of 3489944580 is 854499843.

3489944580 is a `hidden beast` number, since 34 + 8 + 99 + 445 + 80 = 666.

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, 614755 + ... + 620405.

It is an arithmetic number, because the mean of its divisors is an integer number (76121136).

Almost surely, 2^3489944580 is an apocalyptic number.

3489944580 is a gapful number since it is divisible by the number (30) 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 3489944580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5480721792).

3489944580 is an abundant number, since it is smaller than the sum of its proper divisors (7471499004).

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

3489944580 is a wasteful number, since it uses less digits than its factorization.

3489944580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5786 (or 5781 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 54.

The square root of 3489944580 is about 59075.7528940597. The cubic root of 3489944580 is about 1516.8390828153.

The spelling of 3489944580 in words is "three billion, four hundred eighty-nine million, nine hundred forty-four thousand, five hundred eighty".