3655048848 has 320 divisors, whose sum is σ = 11444505600. Its totient is φ = 992839680.

The previous prime is 3655048823. The next prime is 3655048871. The reversal of 3655048848 is 8488405563.

It is a happy number.

It is a Cunningham number, because it is equal to 60457²-1.

It is a super-2 number, since 2×3655048848² = 26718764162532254208, 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 3655048848.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15960798 + ... + 15961026.

It is an arithmetic number, because the mean of its divisors is an integer number (35764080).

Almost surely, 2^3655048848 is an apocalyptic number.

3655048848 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3655048848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5722252800).

3655048848 is an abundant number, since it is smaller than the sum of its proper divisors (7789456752).

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

3655048848 is a wasteful number, since it uses less digits than its factorization.

3655048848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350 (or 344 counting only the distinct ones).

The product of its (nonzero) digits is 3686400, while the sum is 51.

The square root of 3655048848 is about 60456.9999917297. Note that the first 5 decimals coincide. The cubic root of 3655048848 is about 1540.3913167601.

The spelling of 3655048848 in words is "three billion, six hundred fifty-five million, forty-eight thousand, eight hundred forty-eight".