40060521 has 16 divisors (see below), whose sum is σ = 59472000. Its totient is φ = 26651664.

The previous prime is 40060487. The next prime is 40060561. The reversal of 40060521 is 12506004.

It is a happy number.

40060521 is a `hidden beast` number, since 40 + 0 + 605 + 21 = 666.

It is not a de Polignac number, because 40060521 - 2⁷ = 40060393 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40060494 and 40060503.

It is not an unprimeable number, because it can be changed into a prime (40060561) 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, 14935 + ... + 17411.

It is an arithmetic number, because the mean of its divisors is an integer number (3717000).

Almost surely, 2^40060521 is an apocalyptic number.

It is an amenable number.

40060521 is a deficient number, since it is larger than the sum of its proper divisors (19411479).

40060521 is a wasteful number, since it uses less digits than its factorization.

40060521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3085 (or 3079 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 40060521 is about 6329.3381170546. The cubic root of 40060521 is about 342.1675848421.

Adding to 40060521 its reverse (12506004), we get a palindrome (52566525).

The spelling of 40060521 in words is "forty million, sixty thousand, five hundred twenty-one".