330040257 has 8 divisors (see below), whose sum is σ = 440693280. Its totient is φ = 219707040.

The previous prime is 330040211. The next prime is 330040297. The reversal of 330040257 is 752040033.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 330040257 - 2²⁶ = 262931393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (330040297) 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, 77532 + ... + 81677.

It is an arithmetic number, because the mean of its divisors is an integer number (55086660).

Almost surely, 2^330040257 is an apocalyptic number.

It is an amenable number.

330040257 is a deficient number, since it is larger than the sum of its proper divisors (110653023).

330040257 is a wasteful number, since it uses less digits than its factorization.

330040257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159903.

The product of its (nonzero) digits is 2520, while the sum is 24.

The square root of 330040257 is about 18167.0101282517. The cubic root of 330040257 is about 691.0704221523.

The spelling of 330040257 in words is "three hundred thirty million, forty thousand, two hundred fifty-seven".