3655198272 has 224 divisors, whose sum is σ = 11250192384. Its totient is φ = 1036288000.

The previous prime is 3655198247. The next prime is 3655198277. The reversal of 3655198272 is 2728915563.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (3655198277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2282272 + ... + 2283872.

Almost surely, 2^3655198272 is an apocalyptic number.

3655198272 is a gapful number since it is divisible by the number (32) 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 3655198272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5625096192).

3655198272 is an abundant number, since it is smaller than the sum of its proper divisors (7594994112).

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

3655198272 is a wasteful number, since it uses less digits than its factorization.

3655198272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1697 (or 1687 counting only the distinct ones).

The product of its digits is 907200, while the sum is 48.

The square root of 3655198272 is about 60458.2357665190. The cubic root of 3655198272 is about 1540.4123076602.

The spelling of 3655198272 in words is "three billion, six hundred fifty-five million, one hundred ninety-eight thousand, two hundred seventy-two".