41218516 has 12 divisors (see below), whose sum is σ = 72177588. Its totient is φ = 20596352.

The previous prime is 41218511. The next prime is 41218519. The reversal of 41218516 is 61581214.

It can be written as a sum of positive squares in 2 ways, for example, as 4857616 + 36360900 = 2204^2 + 6030^2 .

It is a super-2 number, since 2×41218516² = 3397932122484512, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41218511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9810 + ... + 13366.

It is an arithmetic number, because the mean of its divisors is an integer number (6014799).

Almost surely, 2^41218516 is an apocalyptic number.

It is an amenable number.

41218516 is a deficient number, since it is larger than the sum of its proper divisors (30959072).

41218516 is a wasteful number, since it uses less digits than its factorization.

41218516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6458 (or 6456 counting only the distinct ones).

The product of its digits is 1920, while the sum is 28.

The square root of 41218516 is about 6420.1647953927. The cubic root of 41218516 is about 345.4332329587.

The spelling of 41218516 in words is "forty-one million, two hundred eighteen thousand, five hundred sixteen".