41581402 has 4 divisors (see below), whose sum is σ = 62372106. Its totient is φ = 20790700.

The previous prime is 41581391. The next prime is 41581403. The reversal of 41581402 is 20418514.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 32706961 + 8874441 = 5719^2 + 2979^2 .

It is not an unprimeable number, because it can be changed into a prime (41581403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10395349 + ... + 10395352.

Almost surely, 2^41581402 is an apocalyptic number.

41581402 is a deficient number, since it is larger than the sum of its proper divisors (20790704).

41581402 is a wasteful number, since it uses less digits than its factorization.

41581402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20790703.

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 41581402 is about 6448.3642887169. The cubic root of 41581402 is about 346.4439988150.

Adding to 41581402 its reverse (20418514), we get a palindrome (61999916).

The spelling of 41581402 in words is "forty-one million, five hundred eighty-one thousand, four hundred two".