41564440 has 16 divisors (see below), whose sum is σ = 93520080. Its totient is φ = 16625760.

The previous prime is 41564417. The next prime is 41564441. The reversal of 41564440 is 4446514.

It is a junction number, because it is equal to n+sod(n) for n = 41564399 and 41564408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41564441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 519516 + ... + 519595.

It is an arithmetic number, because the mean of its divisors is an integer number (5845005).

Almost surely, 2^41564440 is an apocalyptic number.

41564440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

41564440 is an abundant number, since it is smaller than the sum of its proper divisors (51955640).

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

41564440 is a wasteful number, since it uses less digits than its factorization.

41564440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1039122 (or 1039118 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 41564440 is about 6447.0489373046. The cubic root of 41564440 is about 346.3968849448.

The spelling of 41564440 in words is "forty-one million, five hundred sixty-four thousand, four hundred forty".