41565040 has 80 divisors (see below), whose sum is σ = 106466400. Its totient is φ = 14965760.

The previous prime is 41565019. The next prime is 41565049. The reversal of 41565040 is 4056514.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 41564996 and 41565014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41565049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130962 + ... + 131278.

It is an arithmetic number, because the mean of its divisors is an integer number (1330830).

Almost surely, 2^41565040 is an apocalyptic number.

41565040 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 41565040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53233200).

41565040 is an abundant number, since it is smaller than the sum of its proper divisors (64901360).

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

41565040 is a wasteful number, since it uses less digits than its factorization.

41565040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490 (or 484 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 41565040 is about 6447.0954700547. The cubic root of 41565040 is about 346.3985517312.

The spelling of 41565040 in words is "forty-one million, five hundred sixty-five thousand, forty".