320234040 has 128 divisors (see below), whose sum is σ = 1219968000. Its totient is φ = 73194624.

The previous prime is 320234017. The next prime is 320234041. The reversal of 320234040 is 40432023.

320234040 is a `hidden beast` number, since 320 + 2 + 340 + 4 + 0 = 666.

320234040 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320234041) 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, 13620 + ... + 28739.

It is an arithmetic number, because the mean of its divisors is an integer number (9531000).

Almost surely, 2^320234040 is an apocalyptic number.

320234040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

320234040 is an abundant number, since it is smaller than the sum of its proper divisors (899733960).

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

320234040 is a wasteful number, since it uses less digits than its factorization.

320234040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42386 (or 42376 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 320234040 is about 17895.0842412099. The cubic root of 320234040 is about 684.1570891890.

Adding to 320234040 its reverse (40432023), we get a palindrome (360666063).

It can be divided in two parts, 32023 and 4040, that added together give a palindrome (36063).

The spelling of 320234040 in words is "three hundred twenty million, two hundred thirty-four thousand, forty".