235538280 has 160 divisors (see below), whose sum is σ = 798890400. Its totient is φ = 62239104.

The previous prime is 235538273. The next prime is 235538293. The reversal of 235538280 is 82835532.

235538280 is a `hidden beast` number, since 23 + 553 + 8 + 2 + 80 = 666.

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

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 39 ways as a sum of consecutive naturals, for example, 450099 + ... + 450621.

It is an arithmetic number, because the mean of its divisors is an integer number (4993065).

Almost surely, 2^235538280 is an apocalyptic number.

235538280 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 235538280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (399445200).

235538280 is an abundant number, since it is smaller than the sum of its proper divisors (563352120).

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

235538280 is a wasteful number, since it uses less digits than its factorization.

235538280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685 (or 672 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 235538280 is about 15347.2564323400. The cubic root of 235538280 is about 617.5713872240.

The spelling of 235538280 in words is "two hundred thirty-five million, five hundred thirty-eight thousand, two hundred eighty".