40520363 has 4 divisors (see below), whose sum is σ = 43637328. Its totient is φ = 37403400.

The previous prime is 40520357. The next prime is 40520377. The reversal of 40520363 is 36302504.

40520363 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40520363 - 2⁸ = 40520107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40520323) 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 3 ways as a sum of consecutive naturals, for example, 1558463 + ... + 1558488.

It is an arithmetic number, because the mean of its divisors is an integer number (10909332).

Almost surely, 2^40520363 is an apocalyptic number.

40520363 is a deficient number, since it is larger than the sum of its proper divisors (3116965).

40520363 is a wasteful number, since it uses less digits than its factorization.

40520363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3116964.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 40520363 is about 6365.5606980061. The cubic root of 40520363 is about 343.4718182242.

Adding to 40520363 its reverse (36302504), we get a palindrome (76822867).

The spelling of 40520363 in words is "forty million, five hundred twenty thousand, three hundred sixty-three".