3655851056 has 80 divisors (see below), whose sum is σ = 8515288320. Its totient is φ = 1498210560.

The previous prime is 3655851053. The next prime is 3655851091. The reversal of 3655851056 is 6501585563.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 3655850998 and 3655851016.

It is not an unprimeable number, because it can be changed into a prime (3655851053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79805 + ... + 116963.

It is an arithmetic number, because the mean of its divisors is an integer number (106441104).

Almost surely, 2^3655851056 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 3655851056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4257644160).

3655851056 is an abundant number, since it is smaller than the sum of its proper divisors (4859437264).

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

3655851056 is a wasteful number, since it uses less digits than its factorization.

3655851056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37234 (or 37228 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 44.

The square root of 3655851056 is about 60463.6341613701. The cubic root of 3655851056 is about 1540.5040032472.

The spelling of 3655851056 in words is "three billion, six hundred fifty-five million, eight hundred fifty-one thousand, fifty-six".