40524081 has 16 divisors (see below), whose sum is σ = 58361856. Its totient is φ = 24863616.

The previous prime is 40524067. The next prime is 40524083. The reversal of 40524081 is 18042504.

It is not a de Polignac number, because 40524081 - 2¹⁰ = 40523057 is a prime.

It is a super-2 number, since 2×40524081² = 3284402281789122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40524083) 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, 13581 + ... + 16293.

It is an arithmetic number, because the mean of its divisors is an integer number (3647616).

Almost surely, 2^40524081 is an apocalyptic number.

It is an amenable number.

40524081 is a deficient number, since it is larger than the sum of its proper divisors (17837775).

40524081 is a wasteful number, since it uses less digits than its factorization.

40524081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3112.

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 40524081 is about 6365.8527315671. The cubic root of 40524081 is about 343.4823231413.

Adding to 40524081 its reverse (18042504), we get a palindrome (58566585).

The spelling of 40524081 in words is "forty million, five hundred twenty-four thousand, eighty-one".