40524413 has 8 divisors (see below), whose sum is σ = 44774208. Its totient is φ = 36481984.

The previous prime is 40524401. The next prime is 40524427. The reversal of 40524413 is 31442504.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40524413 - 2⁶ = 40524349 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40524433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51431 + ... + 52212.

It is an arithmetic number, because the mean of its divisors is an integer number (5596776).

Almost surely, 2^40524413 is an apocalyptic number.

It is an amenable number.

40524413 is a deficient number, since it is larger than the sum of its proper divisors (4249795).

40524413 is a wasteful number, since it uses less digits than its factorization.

40524413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103683.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 40524413 is about 6365.8788081458. The cubic root of 40524413 is about 343.4832611500.

Adding to 40524413 its reverse (31442504), we get a palindrome (71966917).

The spelling of 40524413 in words is "forty million, five hundred twenty-four thousand, four hundred thirteen".