40541215 has 16 divisors (see below), whose sum is σ = 57155616. Its totient is φ = 27216000.

The previous prime is 40541167. The next prime is 40541239. The reversal of 40541215 is 51214504.

It is not a de Polignac number, because 40541215 - 2¹¹ = 40539167 is a prime.

It is a super-2 number, since 2×40541215² = 3287180227352450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27636 + ... + 29065.

It is an arithmetic number, because the mean of its divisors is an integer number (3572226).

Almost surely, 2^40541215 is an apocalyptic number.

40541215 is a deficient number, since it is larger than the sum of its proper divisors (16614401).

40541215 is a wasteful number, since it uses less digits than its factorization.

40541215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56730.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 40541215 is about 6367.1983634877. The cubic root of 40541215 is about 343.5307256115.

Adding to 40541215 its reverse (51214504), we get a palindrome (91755719).

Subtracting 40541215 from its reverse (51214504), we obtain a square (10673289 = 3267²).

The spelling of 40541215 in words is "forty million, five hundred forty-one thousand, two hundred fifteen".