41644560 has 160 divisors (see below), whose sum is σ = 139812480. Its totient is φ = 10215424.

The previous prime is 41644549. The next prime is 41644571. The reversal of 41644560 is 6544614.

It is an interprime number because it is at equal distance from previous prime (41644549) and next prime (41644571).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 240634 + ... + 240806.

It is an arithmetic number, because the mean of its divisors is an integer number (873828).

Almost surely, 2^41644560 is an apocalyptic number.

41644560 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 41644560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69906240).

41644560 is an abundant number, since it is smaller than the sum of its proper divisors (98167920).

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

41644560 is a wasteful number, since it uses less digits than its factorization.

41644560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265 (or 259 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 41644560 is about 6453.2596414525. The cubic root of 41644560 is about 346.6193147027.

The spelling of 41644560 in words is "forty-one million, six hundred forty-four thousand, five hundred sixty".