320502478054 has 16 divisors (see below), whose sum is σ = 524818117440. Its totient is φ = 145583078760.

The previous prime is 320502477979. The next prime is 320502478057. The reversal of 320502478054 is 450874205023.

It is a junction number, because it is equal to n+sod(n) for n = 320502477998 and 320502478016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320502478057) 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, 4960464 + ... + 5024659.

It is an arithmetic number, because the mean of its divisors is an integer number (32801132340).

Almost surely, 2^320502478054 is an apocalyptic number.

320502478054 is a deficient number, since it is larger than the sum of its proper divisors (204315639386).

320502478054 is a wasteful number, since it uses less digits than its factorization.

320502478054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9986595.

The product of its (nonzero) digits is 268800, while the sum is 40.

The spelling of 320502478054 in words is "three hundred twenty billion, five hundred two million, four hundred seventy-eight thousand, fifty-four".