3238555320 has 1152 divisors, whose sum is σ = 15336921600. Its totient is φ = 574801920.

The previous prime is 3238555303. The next prime is 3238555343. The reversal of 3238555320 is 235558323.

3238555320 is a `hidden beast` number, since 3 + 2 + 3 + 85 + 553 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 75315219 + ... + 75315261.

It is an arithmetic number, because the mean of its divisors is an integer number (13313300).

Almost surely, 2^3238555320 is an apocalyptic number.

3238555320 is a gapful number since it is divisible by the number (30) 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 3238555320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7668460800).

3238555320 is an abundant number, since it is smaller than the sum of its proper divisors (12098366280).

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

3238555320 is a wasteful number, since it uses less digits than its factorization.

3238555320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121 (or 103 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The square root of 3238555320 is about 56908.3062478581. The cubic root of 3238555320 is about 1479.5072805896.

The spelling of 3238555320 in words is "three billion, two hundred thirty-eight million, five hundred fifty-five thousand, three hundred twenty".