233541940 has 24 divisors (see below), whose sum is σ = 491230152. Its totient is φ = 93265920.

The previous prime is 233541923. The next prime is 233541943. The reversal of 233541940 is 49145332.

It can be written as a sum of positive squares in 4 ways, for example, as 37429924 + 196112016 = 6118^2 + 14004^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233541943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3712 + ... + 21928.

It is an arithmetic number, because the mean of its divisors is an integer number (20467923).

Almost surely, 2^233541940 is an apocalyptic number.

233541940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

233541940 is an abundant number, since it is smaller than the sum of its proper divisors (257688212).

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

233541940 is a wasteful number, since it uses less digits than its factorization.

233541940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18867 (or 18865 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 233541940 is about 15282.0790470407. The cubic root of 233541940 is about 615.8216615635.

The spelling of 233541940 in words is "two hundred thirty-three million, five hundred forty-one thousand, nine hundred forty".