3745655560 has 64 divisors (see below), whose sum is σ = 8969091120. Its totient is φ = 1402920960.

The previous prime is 3745655531. The next prime is 3745655597. The reversal of 3745655560 is 655565473.

It can be written as a sum of positive squares in 8 ways, for example, as 2795659876 + 949995684 = 52874^2 + 30822^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3745655560.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119980 + ... + 147940.

Almost surely, 2^3745655560 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 3745655560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4484545560).

3745655560 is an abundant number, since it is smaller than the sum of its proper divisors (5223435560).

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

3745655560 is a wasteful number, since it uses less digits than its factorization.

3745655560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28186 (or 28182 counting only the distinct ones).

The product of its (nonzero) digits is 1890000, while the sum is 46.

The square root of 3745655560 is about 61201.7610857727. The cubic root of 3745655560 is about 1553.0160573521.

The spelling of 3745655560 in words is "three billion, seven hundred forty-five million, six hundred fifty-five thousand, five hundred sixty".