104540261620 has 24 divisors (see below), whose sum is σ = 219573189864. Its totient is φ = 41808744576.

The previous prime is 104540261591. The next prime is 104540261659. The reversal of 104540261620 is 26162045401.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 40766840464 + 63773421156 = 201908^2 + 252534^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 342807 + ... + 571486.

It is an arithmetic number, because the mean of its divisors is an integer number (9148882911).

Almost surely, 2^104540261620 is an apocalyptic number.

104540261620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104540261620 is an abundant number, since it is smaller than the sum of its proper divisors (115032928244).

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

104540261620 is a wasteful number, since it uses less digits than its factorization.

104540261620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920019 (or 920017 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The spelling of 104540261620 in words is "one hundred four billion, five hundred forty million, two hundred sixty-one thousand, six hundred twenty".