496463778320 has 20 divisors (see below), whose sum is σ = 1154278284780. Its totient is φ = 198585511296.

The previous prime is 496463778233. The next prime is 496463778329. The reversal of 496463778320 is 23877364694.

It can be written as a sum of positive squares in 2 ways, for example, as 328324416016 + 168139362304 = 572996^2 + 410048^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 496463778320.

It is not an unprimeable number, because it can be changed into a prime (496463778329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3102898535 + ... + 3102898694.

It is an arithmetic number, because the mean of its divisors is an integer number (57713914239).

Almost surely, 2^496463778320 is an apocalyptic number.

496463778320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

496463778320 is an abundant number, since it is smaller than the sum of its proper divisors (657814506460).

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

496463778320 is a wasteful number, since it uses less digits than its factorization.

496463778320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6205797242 (or 6205797236 counting only the distinct ones).

The product of its (nonzero) digits is 36578304, while the sum is 59.

The spelling of 496463778320 in words is "four hundred ninety-six billion, four hundred sixty-three million, seven hundred seventy-eight thousand, three hundred twenty".