41531418 has 24 divisors (see below), whose sum is σ = 90511668. Its totient is φ = 13762752.

The previous prime is 41531417. The next prime is 41531429. The reversal of 41531418 is 81413514.

It is a happy number.

41531418 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 40870449 + 660969 = 6393^2 + 813^2 .

It is a junction number, because it is equal to n+sod(n) for n = 41531391 and 41531400.

It is not an unprimeable number, because it can be changed into a prime (41531411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3555 + ... + 9782.

Almost surely, 2^41531418 is an apocalyptic number.

41531418 is an abundant number, since it is smaller than the sum of its proper divisors (48980250).

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

41531418 is a wasteful number, since it uses less digits than its factorization.

41531418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13518 (or 13515 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 41531418 is about 6444.4874117342. The cubic root of 41531418 is about 346.3051258310.

The spelling of 41531418 in words is "forty-one million, five hundred thirty-one thousand, four hundred eighteen".