40602561 has 8 divisors (see below), whose sum is σ = 55054560. Its totient is φ = 26609472.

The previous prime is 40602559. The next prime is 40602577. The reversal of 40602561 is 16520604.

40602561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 40602561 - 2¹ = 40602559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40602161) by changing a digit.

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, 114520 + ... + 114873.

It is an arithmetic number, because the mean of its divisors is an integer number (6881820).

Almost surely, 2^40602561 is an apocalyptic number.

It is an amenable number.

40602561 is a deficient number, since it is larger than the sum of its proper divisors (14451999).

40602561 is a wasteful number, since it uses less digits than its factorization.

40602561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229455.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 40602561 is about 6372.0138888738. The cubic root of 40602561 is about 343.7039124548.

It can be divided in two parts, 40602 and 561, that multiplied together give a palindrome (22777722).

The spelling of 40602561 in words is "forty million, six hundred two thousand, five hundred sixty-one".