32000256 has 216 divisors, whose sum is σ = 105225120. Its totient is φ = 9289728.

The previous prime is 32000251. The next prime is 32000263. The reversal of 32000256 is 65200023.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (32000251) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 744171 + ... + 744213.

Almost surely, 2^32000256 is an apocalyptic number.

32000256 is a gapful number since it is divisible by the number (36) 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 32000256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52612560).

32000256 is an abundant number, since it is smaller than the sum of its proper divisors (73224864).

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

32000256 is a wasteful number, since it uses less digits than its factorization.

32000256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101 (or 84 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 32000256 is about 5656.8768768641. The cubic root of 32000256 is about 317.4810570053.

Adding to 32000256 its reverse (65200023), we get a palindrome (97200279).

The spelling of 32000256 in words is "thirty-two million, two hundred fifty-six", and thus it is an aban number.