3522326640 has 320 divisors, whose sum is σ = 13164871680. Its totient is φ = 762024960.

The previous prime is 3522326623. The next prime is 3522326641. The reversal of 3522326640 is 466232253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3522326641) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2447041 + ... + 2448479.

It is an arithmetic number, because the mean of its divisors is an integer number (41140224).

Almost surely, 2^3522326640 is an apocalyptic number.

3522326640 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 3522326640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6582435840).

3522326640 is an abundant number, since it is smaller than the sum of its proper divisors (9642545040).

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

3522326640 is a wasteful number, since it uses less digits than its factorization.

3522326640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1540 (or 1534 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 33.

The square root of 3522326640 is about 59349.1924123656. The cubic root of 3522326640 is about 1521.5160658411.

Adding to 3522326640 its reverse (466232253), we get a palindrome (3988558893).

The spelling of 3522326640 in words is "three billion, five hundred twenty-two million, three hundred twenty-six thousand, six hundred forty".