320040215030 has 16 divisors (see below), whose sum is σ = 576188830944. Its totient is φ = 127990209600.

The previous prime is 320040215021. The next prime is 320040215039. The reversal of 320040215030 is 30512040023.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (320040215021) and next prime (320040215039).

It is a junction number, because it is equal to n+sod(n) for n = 320040214993 and 320040215011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320040215039) 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, 3182567 + ... + 3281586.

It is an arithmetic number, because the mean of its divisors is an integer number (36011801934).

Almost surely, 2^320040215030 is an apocalyptic number.

320040215030 is a deficient number, since it is larger than the sum of its proper divisors (256148615914).

320040215030 is a wasteful number, since it uses less digits than its factorization.

320040215030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6469111.

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 320040215030 its reverse (30512040023), we get a palindrome (350552255053).

The spelling of 320040215030 in words is "three hundred twenty billion, forty million, two hundred fifteen thousand, thirty".