330413640 has 64 divisors (see below), whose sum is σ = 993686400. Its totient is φ = 87892992.

The previous prime is 330413563. The next prime is 330413641. The reversal of 330413640 is 46314033.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 330413640.

It is not an unprimeable number, because it can be changed into a prime (330413641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48781 + ... + 55139.

It is an arithmetic number, because the mean of its divisors is an integer number (15526350).

Almost surely, 2^330413640 is an apocalyptic number.

330413640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

330413640 is an abundant number, since it is smaller than the sum of its proper divisors (663272760).

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

330413640 is a wasteful number, since it uses less digits than its factorization.

330413640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6806 (or 6802 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 330413640 is about 18177.2836254486. The cubic root of 330413640 is about 691.3309324953.

Adding to 330413640 its reverse (46314033), we get a palindrome (376727673).

The spelling of 330413640 in words is "three hundred thirty million, four hundred thirteen thousand, six hundred forty".