41321540 has 48 divisors (see below), whose sum is σ = 94418688. Its totient is φ = 15099264.

The previous prime is 41321537. The next prime is 41321551. The reversal of 41321540 is 4512314.

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

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, 26009 + ... + 27551.

It is an arithmetic number, because the mean of its divisors is an integer number (1967056).

Almost surely, 2^41321540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 41321540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47209344).

41321540 is an abundant number, since it is smaller than the sum of its proper divisors (53097148).

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

41321540 is a wasteful number, since it uses less digits than its factorization.

41321540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1668 (or 1666 counting only the distinct ones).

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

The square root of 41321540 is about 6428.1832581220. The cubic root of 41321540 is about 345.7207922707.

Adding to 41321540 its reverse (4512314), we get a palindrome (45833854).

The spelling of 41321540 in words is "forty-one million, three hundred twenty-one thousand, five hundred forty".