233402240 has 32 divisors (see below), whose sum is σ = 557978760. Its totient is φ = 93360640.

The previous prime is 233402227. The next prime is 233402293. The reversal of 233402240 is 42204332.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181706 + ... + 182985.

Almost surely, 2^233402240 is an apocalyptic number.

233402240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

233402240 is an abundant number, since it is smaller than the sum of its proper divisors (324576520).

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

233402240 is an equidigital number, since it uses as much as digits as its factorization.

233402240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364710 (or 364698 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 233402240 is about 15277.5076501372. The cubic root of 233402240 is about 615.6988464414.

Adding to 233402240 its reverse (42204332), we get a palindrome (275606572).

The spelling of 233402240 in words is "two hundred thirty-three million, four hundred two thousand, two hundred forty".