3655624368 has 80 divisors (see below), whose sum is σ = 10313197056. Its totient is φ = 1106584320.

The previous prime is 3655624367. The next prime is 3655624369. The reversal of 3655624368 is 8634265563.

3655624368 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3655624367) and next prime (3655624369).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (3655624367) 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, 579246 + ... + 585522.

Almost surely, 2^3655624368 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 3655624368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5156598528).

3655624368 is an abundant number, since it is smaller than the sum of its proper divisors (6657572688).

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

3655624368 is a wasteful number, since it uses less digits than its factorization.

3655624368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7402 (or 7396 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 48.

The square root of 3655624368 is about 60461.7595509757. The cubic root of 3655624368 is about 1540.4721619619.

The spelling of 3655624368 in words is "three billion, six hundred fifty-five million, six hundred twenty-four thousand, three hundred sixty-eight".