330400942 has 4 divisors (see below), whose sum is σ = 495601416. Its totient is φ = 165200470.

The previous prime is 330400921. The next prime is 330400943. The reversal of 330400942 is 249004033.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 249004033 = 1493 ⋅166781.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330400943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82600234 + ... + 82600237.

It is an arithmetic number, because the mean of its divisors is an integer number (123900354).

Almost surely, 2^330400942 is an apocalyptic number.

330400942 is a deficient number, since it is larger than the sum of its proper divisors (165200474).

330400942 is a wasteful number, since it uses less digits than its factorization.

330400942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165200473.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 330400942 is about 18176.9343399815. The cubic root of 330400942 is about 691.3220762905.

Adding to 330400942 its reverse (249004033), we get a palindrome (579404975).

The spelling of 330400942 in words is "three hundred thirty million, four hundred thousand, nine hundred forty-two".