3649453480 has 16 divisors (see below), whose sum is σ = 8211270420. Its totient is φ = 1459781376.

The previous prime is 3649453471. The next prime is 3649453531. The reversal of 3649453480 is 843549463.

3649453480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3639226276 + 10227204 = 60326^2 + 3198^2 .

It is a super-2 number, since 2×3649453480² = 26637021405368220800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3649453480.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45618129 + ... + 45618208.

Almost surely, 2^3649453480 is an apocalyptic number.

It is an amenable number.

3649453480 is an abundant number, since it is smaller than the sum of its proper divisors (4561816940).

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

3649453480 is a wasteful number, since it uses less digits than its factorization.

3649453480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91236348 (or 91236344 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 46.

The square root of 3649453480 is about 60410.7066669477. The cubic root of 3649453480 is about 1539.6048741731.

The spelling of 3649453480 in words is "three billion, six hundred forty-nine million, four hundred fifty-three thousand, four hundred eighty".