41802028861 has 8 divisors (see below), whose sum is σ = 41960796984. Its totient is φ = 41643532800.

The previous prime is 41802028837. The next prime is 41802028871. The reversal of 41802028861 is 16882020814.

It can be written as a sum of positive squares in 4 ways, for example, as 1764420025 + 40037608836 = 42005^2 + 200094^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 41802028861 - 2⁷ = 41802028733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41802028811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242545 + ... + 377401.

It is an arithmetic number, because the mean of its divisors is an integer number (5245099623).

Almost surely, 2^41802028861 is an apocalyptic number.

It is an amenable number.

41802028861 is a deficient number, since it is larger than the sum of its proper divisors (158768123).

41802028861 is a wasteful number, since it uses less digits than its factorization.

41802028861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136031.

The product of its (nonzero) digits is 49152, while the sum is 40.

The spelling of 41802028861 in words is "forty-one billion, eight hundred two million, twenty-eight thousand, eight hundred sixty-one".