3653229040 has 80 divisors (see below), whose sum is σ = 8763358752. Its totient is φ = 1415273472.

The previous prime is 3653229023. The next prime is 3653229049. The reversal of 3653229040 is 409223563.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 3653228987 and 3653229005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3653229049) 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, 669202 + ... + 674638.

Almost surely, 2^3653229040 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 3653229040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4381679376).

3653229040 is an abundant number, since it is smaller than the sum of its proper divisors (5110129712).

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

3653229040 is a wasteful number, since it uses less digits than its factorization.

3653229040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5714 (or 5708 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 34.

The square root of 3653229040 is about 60441.9476853617. The cubic root of 3653229040 is about 1540.1356264427.

The spelling of 3653229040 in words is "three billion, six hundred fifty-three million, two hundred twenty-nine thousand, forty".