41440520 has 64 divisors (see below), whose sum is σ = 107092800. Its totient is φ = 14273280.

The previous prime is 41440517. The next prime is 41440523. The reversal of 41440520 is 2504414.

It is an interprime number because it is at equal distance from previous prime (41440517) and next prime (41440523).

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

It is a junction number, because it is equal to n+sod(n) for n = 41440492 and 41440501.

It is not an unprimeable number, because it can be changed into a prime (41440523) 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, 5882 + ... + 10838.

It is an arithmetic number, because the mean of its divisors is an integer number (1673325).

Almost surely, 2^41440520 is an apocalyptic number.

41440520 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 41440520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53546400).

41440520 is an abundant number, since it is smaller than the sum of its proper divisors (65652280).

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

41440520 is a wasteful number, since it uses less digits than its factorization.

41440520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4998 (or 4994 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 41440520 is about 6437.4311646805. The cubic root of 41440520 is about 346.0522936542.

Adding to 41440520 its reverse (2504414), we get a palindrome (43944934).

The spelling of 41440520 in words is "forty-one million, four hundred forty thousand, five hundred twenty".