3655635340 has 48 divisors (see below), whose sum is σ = 9235296000. Its totient is φ = 1187393472.

The previous prime is 3655635323. The next prime is 3655635367. The reversal of 3655635340 is 435365563.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 3655635293 and 3655635302.

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, 684490 + ... + 689809.

It is an arithmetic number, because the mean of its divisors is an integer number (192402000).

Almost surely, 2^3655635340 is an apocalyptic number.

It is an amenable number.

3655635340 is an abundant number, since it is smaller than the sum of its proper divisors (5579660660).

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

3655635340 is a wasteful number, since it uses less digits than its factorization.

3655635340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1374334 (or 1374332 counting only the distinct ones).

The product of its (nonzero) digits is 486000, while the sum is 40.

The square root of 3655635340 is about 60461.8502859448. The cubic root of 3655635340 is about 1540.4737031526.

The spelling of 3655635340 in words is "three billion, six hundred fifty-five million, six hundred thirty-five thousand, three hundred forty".