41557540 has 24 divisors (see below), whose sum is σ = 87393600. Its totient is φ = 16599648.

The previous prime is 41557517. The next prime is 41557543. The reversal of 41557540 is 4575514.

It is not an unprimeable number, because it can be changed into a prime (41557543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23611 + ... + 25309.

It is an arithmetic number, because the mean of its divisors is an integer number (3641400).

Almost surely, 2^41557540 is an apocalyptic number.

It is an amenable number.

41557540 is an abundant number, since it is smaller than the sum of its proper divisors (45836060).

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

41557540 is a wasteful number, since it uses less digits than its factorization.

41557540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2931 (or 2929 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 31.

The square root of 41557540 is about 6446.5137865361. The cubic root of 41557540 is about 346.3777157481.

The spelling of 41557540 in words is "forty-one million, five hundred fifty-seven thousand, five hundred forty".