32855428320 has 384 divisors, whose sum is σ = 122577960960. Its totient is φ = 7292436480.

The previous prime is 32855428297. The next prime is 32855428343. The reversal of 32855428320 is 2382455823.

It is an interprime number because it is at equal distance from previous prime (32855428297) and next prime (32855428343).

It is a congruent number.

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, 8715396 + ... + 8719164.

It is an arithmetic number, because the mean of its divisors is an integer number (319213440).

Almost surely, 2^32855428320 is an apocalyptic number.

32855428320 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 32855428320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61288980480).

32855428320 is an abundant number, since it is smaller than the sum of its proper divisors (89722532640).

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

32855428320 is a wasteful number, since it uses less digits than its factorization.

32855428320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3938 (or 3930 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 42.

The spelling of 32855428320 in words is "thirty-two billion, eight hundred fifty-five million, four hundred twenty-eight thousand, three hundred twenty".