413521540 has 24 divisors (see below), whose sum is σ = 888592320. Its totient is φ = 161561568.

The previous prime is 413521519. The next prime is 413521571. The reversal of 413521540 is 45125314.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239560 + ... + 241279.

It is an arithmetic number, because the mean of its divisors is an integer number (37024680).

Almost surely, 2^413521540 is an apocalyptic number.

It is an amenable number.

413521540 is an abundant number, since it is smaller than the sum of its proper divisors (475070780).

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

413521540 is a wasteful number, since it uses less digits than its factorization.

413521540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480891 (or 480889 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 413521540 is about 20335.2290373135. The cubic root of 413521540 is about 745.0167646333.

Adding to 413521540 its reverse (45125314), we get a palindrome (458646854).

The spelling of 413521540 in words is "four hundred thirteen million, five hundred twenty-one thousand, five hundred forty".