41051540 has 12 divisors (see below), whose sum is σ = 86208276. Its totient is φ = 16420608.

The previous prime is 41051531. The next prime is 41051557. The reversal of 41051540 is 4515014.

It can be written as a sum of positive squares in 2 ways, for example, as 22146436 + 18905104 = 4706^2 + 4348^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 2052577 = 41051540 / (4 + 1 + 0 + 5 + 1 + 5 + 4 + 0).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1026269 + ... + 1026308.

It is an arithmetic number, because the mean of its divisors is an integer number (7184023).

Almost surely, 2^41051540 is an apocalyptic number.

It is an amenable number.

41051540 is an abundant number, since it is smaller than the sum of its proper divisors (45156736).

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

41051540 is a wasteful number, since it uses less digits than its factorization.

41051540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2052586 (or 2052584 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 41051540 is about 6407.1475712676. The cubic root of 41051540 is about 344.9661522489.

Adding to 41051540 its reverse (4515014), we get a palindrome (45566554).

The spelling of 41051540 in words is "forty-one million, fifty-one thousand, five hundred forty".