3581900560 has 80 divisors (see below), whose sum is σ = 9545567616. Its totient is φ = 1224474624.

The previous prime is 3581900533. The next prime is 3581900587. The reversal of 3581900560 is 650091853.

It is an interprime number because it is at equal distance from previous prime (3581900533) and next prime (3581900587).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185104 + ... + 203536.

Almost surely, 2^3581900560 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 3581900560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4772783808).

3581900560 is an abundant number, since it is smaller than the sum of its proper divisors (5963667056).

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

3581900560 is a wasteful number, since it uses less digits than its factorization.

3581900560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18800 (or 18794 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 3581900560 is about 59848.9812778797. The cubic root of 3581900560 is about 1530.0460720602.

The spelling of 3581900560 in words is "three billion, five hundred eighty-one million, nine hundred thousand, five hundred sixty".