41220560 has 40 divisors (see below), whose sum is σ = 96563016. Its totient is φ = 16363520.

The previous prime is 41220559. The next prime is 41220587. The reversal of 41220560 is 6502214.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4545424 + 36675136 = 2132^2 + 6056^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9080 + ... + 12840.

Almost surely, 2^41220560 is an apocalyptic number.

41220560 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 41220560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48281508).

41220560 is an abundant number, since it is smaller than the sum of its proper divisors (55342456).

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

41220560 is a wasteful number, since it uses less digits than its factorization.

41220560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3911 (or 3905 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 41220560 is about 6420.3239793643. The cubic root of 41220560 is about 345.4389428024.

Adding to 41220560 its reverse (6502214), we get a palindrome (47722774).

The spelling of 41220560 in words is "forty-one million, two hundred twenty thousand, five hundred sixty".