41215140 has 72 divisors (see below), whose sum is σ = 132383160. Its totient is φ = 10343424.

The previous prime is 41215121. The next prime is 41215147. The reversal of 41215140 is 4151214.

It can be written as a sum of positive squares in 4 ways, for example, as 10810944 + 30404196 = 3288^2 + 5514^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (41215147) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3675 + ... + 9794.

It is an arithmetic number, because the mean of its divisors is an integer number (1838655).

Almost surely, 2^41215140 is an apocalyptic number.

It is an amenable number.

41215140 is an abundant number, since it is smaller than the sum of its proper divisors (91168020).

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

41215140 is a wasteful number, since it uses less digits than its factorization.

41215140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13501 (or 13496 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 41215140 is about 6419.9018684089. The cubic root of 41215140 is about 345.4238018053.

Adding to 41215140 its reverse (4151214), we get a palindrome (45366354).

It can be divided in two parts, 4121 and 5140, that added together give a cube (9261 = 21³).

The spelling of 41215140 in words is "forty-one million, two hundred fifteen thousand, one hundred forty".