240000033 has 32 divisors (see below), whose sum is σ = 417021696. Its totient is φ = 119144448.

The previous prime is 240000029. The next prime is 240000073. The reversal of 240000033 is 330000042.

It is not a de Polignac number, because 240000033 - 2² = 240000029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 239999973 and 240000018.

It is not an unprimeable number, because it can be changed into a prime (240000073) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21216 + ... + 30497.

It is an arithmetic number, because the mean of its divisors is an integer number (13031928).

Almost surely, 2^240000033 is an apocalyptic number.

It is an amenable number.

240000033 is a deficient number, since it is larger than the sum of its proper divisors (177021663).

240000033 is a wasteful number, since it uses less digits than its factorization.

240000033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51753.

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 240000033 is about 15491.9344499001. The cubic root of 240000033 is about 621.4465296737.

Adding to 240000033 its reverse (330000042), we get a palindrome (570000075).

Subtracting 240000033 from its reverse (330000042), we obtain a palindrome (90000009).

The spelling of 240000033 in words is "two hundred forty million, thirty-three", and thus it is an aban number.