320455780053 has 8 divisors (see below), whose sum is σ = 449762498400. Its totient is φ = 202393124208.

The previous prime is 320455780003. The next prime is 320455780109. The reversal of 320455780053 is 350087554023.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-320455780053 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 320455779987 and 320455780014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320455780003) 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, 2811015558 + ... + 2811015671.

It is an arithmetic number, because the mean of its divisors is an integer number (56220312300).

Almost surely, 2^320455780053 is an apocalyptic number.

It is an amenable number.

320455780053 is a deficient number, since it is larger than the sum of its proper divisors (129306718347).

320455780053 is a wasteful number, since it uses less digits than its factorization.

320455780053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5622031251.

The product of its (nonzero) digits is 504000, while the sum is 42.

The spelling of 320455780053 in words is "three hundred twenty billion, four hundred fifty-five million, seven hundred eighty thousand, fifty-three".