3622560640 has 64 divisors (see below), whose sum is σ = 8802249120. Its totient is φ = 1425254400.

The previous prime is 3622560631. The next prime is 3622560677. The reversal of 3622560640 is 460652263.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 3622560596 and 3622560605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7356 + ... + 85435.

Almost surely, 2^3622560640 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 3622560640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4401124560).

3622560640 is an abundant number, since it is smaller than the sum of its proper divisors (5179688480).

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

3622560640 is an equidigital number, since it uses as much as digits as its factorization.

3622560640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92871 (or 92859 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 34.

The square root of 3622560640 is about 60187.7117026391. The cubic root of 3622560640 is about 1535.8137614185.

The spelling of 3622560640 in words is "three billion, six hundred twenty-two million, five hundred sixty thousand, six hundred forty".