41525640 has 192 divisors, whose sum is σ = 153316800. Its totient is φ = 9662976.

The previous prime is 41525629. The next prime is 41525641. The reversal of 41525640 is 4652514.

41525640 is a `hidden beast` number, since 4 + 15 + 2 + 5 + 640 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41525641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 88687 + ... + 89153.

It is an arithmetic number, because the mean of its divisors is an integer number (798525).

Almost surely, 2^41525640 is an apocalyptic number.

41525640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 41525640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76658400).

41525640 is an abundant number, since it is smaller than the sum of its proper divisors (111791160).

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

41525640 is a wasteful number, since it uses less digits than its factorization.

41525640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516 (or 509 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 41525640 is about 6444.0391060266. The cubic root of 41525640 is about 346.2890653486.

The spelling of 41525640 in words is "forty-one million, five hundred twenty-five thousand, six hundred forty".