3535880720 has 80 divisors (see below), whose sum is σ = 8341608960. Its totient is φ = 1393728000.

The previous prime is 3535880671. The next prime is 3535880723. The reversal of 3535880720 is 270885353.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (3535880723) 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, 1930205 + ... + 1932035.

It is an arithmetic number, because the mean of its divisors is an integer number (104270112).

Almost surely, 2^3535880720 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 3535880720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4170804480).

3535880720 is an abundant number, since it is smaller than the sum of its proper divisors (4805728240).

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

3535880720 is a wasteful number, since it uses less digits than its factorization.

3535880720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2184 (or 2178 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 41.

The square root of 3535880720 is about 59463.2720256799. The cubic root of 3535880720 is about 1523.4651898669.

The spelling of 3535880720 in words is "three billion, five hundred thirty-five million, eight hundred eighty thousand, seven hundred twenty".