3653982280 has 64 divisors (see below), whose sum is σ = 8898624000. Its totient is φ = 1342344960.

The previous prime is 3653982271. The next prime is 3653982287. The reversal of 3653982280 is 822893563.

It is a super-4 number, since 4×3653982280⁴ (a number of 39 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3653982280.

It is not an unprimeable number, because it can be changed into a prime (3653982287) 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, 85825 + ... + 121135.

It is an arithmetic number, because the mean of its divisors is an integer number (139041000).

Almost surely, 2^3653982280 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 3653982280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4449312000).

3653982280 is an abundant number, since it is smaller than the sum of its proper divisors (5244641720).

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

3653982280 is a wasteful number, since it uses less digits than its factorization.

3653982280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35534 (or 35530 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 46.

The square root of 3653982280 is about 60448.1784671796. The cubic root of 3653982280 is about 1540.2414699787.

The spelling of 3653982280 in words is "three billion, six hundred fifty-three million, nine hundred eighty-two thousand, two hundred eighty".