3522562640 has 40 divisors (see below), whose sum is σ = 8244952200. Its totient is φ = 1399563776.

The previous prime is 3522562613. The next prime is 3522562649. The reversal of 3522562640 is 462652253.

It can be written as a sum of positive squares in 4 ways, for example, as 25969216 + 3496593424 = 5096^2 + 59132^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 3522562640.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3522562649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135839 + ... + 159678.

It is an arithmetic number, because the mean of its divisors is an integer number (206123805).

Almost surely, 2^3522562640 is an apocalyptic number.

It is an amenable number.

3522562640 is an abundant number, since it is smaller than the sum of its proper divisors (4722389560).

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

3522562640 is a wasteful number, since it uses less digits than its factorization.

3522562640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295679 (or 295673 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 35.

The square root of 3522562640 is about 59351.1806116778. The cubic root of 3522562640 is about 1521.5500462002.

The spelling of 3522562640 in words is "three billion, five hundred twenty-two million, five hundred sixty-two thousand, six hundred forty".