320011434405 has 96 divisors (see below), whose sum is σ = 600231340800. Its totient is φ = 156787467264.

The previous prime is 320011434401. The next prime is 320011434409. The reversal of 320011434405 is 504434110023.

It is a happy number.

320011434405 is a `hidden beast` number, since 3 + 200 + 1 + 14 + 3 + 440 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (320011434401) and next prime (320011434409).

It is not a de Polignac number, because 320011434405 - 2² = 320011434401 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320011434401) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 120348966 + ... + 120351624.

It is an arithmetic number, because the mean of its divisors is an integer number (6252409800).

Almost surely, 2^320011434405 is an apocalyptic number.

It is an amenable number.

320011434405 is a deficient number, since it is larger than the sum of its proper divisors (280219906395).

320011434405 is a wasteful number, since it uses less digits than its factorization.

320011434405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3595 (or 3592 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 320011434405 its reverse (504434110023), we get a palindrome (824445544428).

The spelling of 320011434405 in words is "three hundred twenty billion, eleven million, four hundred thirty-four thousand, four hundred five".