41981536 has 12 divisors (see below), whose sum is σ = 82651212. Its totient is φ = 20990752.

The previous prime is 41981479. The next prime is 41981539. The reversal of 41981536 is 63518914.

It is a junction number, because it is equal to n+sod(n) for n = 41981495 and 41981504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41981539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655930 + ... + 655993.

It is an arithmetic number, because the mean of its divisors is an integer number (6887601).

Almost surely, 2^41981536 is an apocalyptic number.

It is an amenable number.

41981536 is a deficient number, since it is larger than the sum of its proper divisors (40669676).

41981536 is a wasteful number, since it uses less digits than its factorization.

41981536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1311933 (or 1311925 counting only the distinct ones).

The product of its digits is 25920, while the sum is 37.

The square root of 41981536 is about 6479.3160132841. The cubic root of 41981536 is about 347.5517194383.

The spelling of 41981536 in words is "forty-one million, nine hundred eighty-one thousand, five hundred thirty-six".