41013520 has 80 divisors (see below), whose sum is σ = 103051440. Its totient is φ = 15122432.

The previous prime is 41013509. The next prime is 41013541. The reversal of 41013520 is 2531014.

It can be written as a sum of positive squares in 8 ways, for example, as 2304 + 41011216 = 48^2 + 6404^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 41013494 and 41013503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71796 + ... + 72364.

It is an arithmetic number, because the mean of its divisors is an integer number (1288143).

Almost surely, 2^41013520 is an apocalyptic number.

41013520 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 41013520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51525720).

41013520 is an abundant number, since it is smaller than the sum of its proper divisors (62037920).

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

41013520 is a wasteful number, since it uses less digits than its factorization.

41013520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652 (or 646 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 41013520 is about 6404.1798850438. The cubic root of 41013520 is about 344.8596222282.

Adding to 41013520 its reverse (2531014), we get a palindrome (43544534).

The spelling of 41013520 in words is "forty-one million, thirteen thousand, five hundred twenty".