235808280 has 128 divisors (see below), whose sum is σ = 813240000. Its totient is φ = 60705792.

The previous prime is 235808269. The next prime is 235808317. The reversal of 235808280 is 82808532.

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 (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27556 + ... + 35084.

Almost surely, 2^235808280 is an apocalyptic number.

235808280 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 235808280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (406620000).

235808280 is an abundant number, since it is smaller than the sum of its proper divisors (577431720).

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

235808280 is a wasteful number, since it uses less digits than its factorization.

235808280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7578 (or 7568 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 235808280 is about 15356.0502734264. The cubic root of 235808280 is about 617.8072732995.

The spelling of 235808280 in words is "two hundred thirty-five million, eight hundred eight thousand, two hundred eighty".