320130433400 has 48 divisors (see below), whose sum is σ = 761612656200. Its totient is φ = 125074212480.

The previous prime is 320130433387. The next prime is 320130433417. The reversal of 320130433400 is 4334031023.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18603635 + ... + 18620834.

Almost surely, 2^320130433400 is an apocalyptic number.

It is an amenable number.

320130433400 is an abundant number, since it is smaller than the sum of its proper divisors (441482222800).

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

320130433400 is a wasteful number, since it uses less digits than its factorization.

320130433400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37224528 (or 37224519 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 320130433400 its reverse (4334031023), we get a palindrome (324464464423).

The spelling of 320130433400 in words is "three hundred twenty billion, one hundred thirty million, four hundred thirty-three thousand, four hundred".