233138880 has 252 divisors, whose sum is σ = 870143040. Its totient is φ = 57268224.

The previous prime is 233138869. The next prime is 233138881. The reversal of 233138880 is 88831332.

233138880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (233138881) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 486481 + ... + 486959.

Almost surely, 2^233138880 is an apocalyptic number.

233138880 is a gapful number since it is divisible by the number (20) 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 233138880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (435071520).

233138880 is an abundant number, since it is smaller than the sum of its proper divisors (637004160).

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

233138880 is a wasteful number, since it uses less digits than its factorization.

233138880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528 (or 502 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 233138880 is about 15268.8860104462. The cubic root of 233138880 is about 615.4671841773.

The spelling of 233138880 in words is "two hundred thirty-three million, one hundred thirty-eight thousand, eight hundred eighty".