41388665344 has 80 divisors (see below), whose sum is σ = 89378732520. Its totient is φ = 19033620480.

The previous prime is 41388665323. The next prime is 41388665359. The reversal of 41388665344 is 44356688314.

It can be written as a sum of positive squares in 4 ways, for example, as 39648774400 + 1739890944 = 199120^2 + 41712^2 .

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a junction number, because it is equal to n+sod(n) for n = 41388665291 and 41388665300.

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, 1859272 + ... + 1881400.

Almost surely, 2^41388665344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 41388665344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44689366260).

41388665344 is an abundant number, since it is smaller than the sum of its proper divisors (47990067176).

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

41388665344 is a wasteful number, since it uses less digits than its factorization.

41388665344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22441 (or 22425 counting only the distinct ones).

The product of its digits is 6635520, while the sum is 52.

The spelling of 41388665344 in words is "forty-one billion, three hundred eighty-eight million, six hundred sixty-five thousand, three hundred forty-four".