104256040473 has 24 divisors (see below), whose sum is σ = 162188437320. Its totient is φ = 64152668160.

The previous prime is 104256040457. The next prime is 104256040487. The reversal of 104256040473 is 374040652401.

104256040473 is a `hidden beast` number, since 1 + 0 + 4 + 2 + 5 + 604 + 0 + 47 + 3 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1447954704 + 102808085769 = 38052^2 + 320637^2 .

It is not a de Polignac number, because 104256040473 - 2⁴ = 104256040457 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (104256040453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2049163 + ... + 2099423.

It is an arithmetic number, because the mean of its divisors is an integer number (6757851555).

Almost surely, 2^104256040473 is an apocalyptic number.

104256040473 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

104256040473 is a deficient number, since it is larger than the sum of its proper divisors (57932396847).

104256040473 is a wasteful number, since it uses less digits than its factorization.

104256040473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68009 (or 68006 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

Adding to 104256040473 its reverse (374040652401), we get a palindrome (478296692874).

The spelling of 104256040473 in words is "one hundred four billion, two hundred fifty-six million, forty thousand, four hundred seventy-three".