104042145640 has 32 divisors (see below), whose sum is σ = 235803561480. Its totient is φ = 41313083392.

The previous prime is 104042145637. The next prime is 104042145659. The reversal of 104042145640 is 46541240401.

It can be written as a sum of positive squares in 4 ways, for example, as 81417774244 + 22624371396 = 285338^2 + 150414^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9487417 + ... + 9498376.

Almost surely, 2^104042145640 is an apocalyptic number.

104042145640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104042145640 is an abundant number, since it is smaller than the sum of its proper divisors (131761415840).

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

104042145640 is a wasteful number, since it uses less digits than its factorization.

104042145640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18985941 (or 18985937 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

The spelling of 104042145640 in words is "one hundred four billion, forty-two million, one hundred forty-five thousand, six hundred forty".