104400281285 has 8 divisors (see below), whose sum is σ = 125554476696. Its totient is φ = 83337465600.

The previous prime is 104400281273. The next prime is 104400281291. The reversal of 104400281285 is 582182004401.

It can be written as a sum of positive squares in 4 ways, for example, as 5613905476 + 98786375809 = 74926^2 + 314303^2 .

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

It is not a de Polignac number, because 104400281285 - 2¹⁰ = 104400280261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22842416 + ... + 22846985.

It is an arithmetic number, because the mean of its divisors is an integer number (15694309587).

Almost surely, 2^104400281285 is an apocalyptic number.

It is an amenable number.

104400281285 is a deficient number, since it is larger than the sum of its proper divisors (21154195411).

104400281285 is an equidigital number, since it uses as much as digits as its factorization.

104400281285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45689863.

The product of its (nonzero) digits is 20480, while the sum is 35.

Adding to 104400281285 its reverse (582182004401), we get a palindrome (686582285686).

The spelling of 104400281285 in words is "one hundred four billion, four hundred million, two hundred eighty-one thousand, two hundred eighty-five".