3564321040 has 160 divisors (see below), whose sum is σ = 9965076480. Its totient is φ = 1159183872.

The previous prime is 3564321029. The next prime is 3564321049. The reversal of 3564321040 is 401234653.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (3564321049) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1634671 + ... + 1636849.

It is an arithmetic number, because the mean of its divisors is an integer number (62281728).

Almost surely, 2^3564321040 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 3564321040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4982538240).

3564321040 is an abundant number, since it is smaller than the sum of its proper divisors (6400755440).

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

3564321040 is a wasteful number, since it uses less digits than its factorization.

3564321040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2349 (or 2343 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 3564321040 is about 59701.9349770173. The cubic root of 3564321040 is about 1527.5388743128.

Adding to 3564321040 its reverse (401234653), we get a palindrome (3965555693).

The spelling of 3564321040 in words is "three billion, five hundred sixty-four million, three hundred twenty-one thousand, forty".