40504415 has 32 divisors (see below), whose sum is σ = 57286656. Its totient is φ = 26922240.

The previous prime is 40504397. The next prime is 40504417. The reversal of 40504415 is 51440504.

40504415 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40504415 - 2²² = 36310111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40504417) 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 31 ways as a sum of consecutive naturals, for example, 211970 + ... + 212160.

It is an arithmetic number, because the mean of its divisors is an integer number (1790208).

Almost surely, 2^40504415 is an apocalyptic number.

40504415 is a deficient number, since it is larger than the sum of its proper divisors (16782241).

40504415 is a wasteful number, since it uses less digits than its factorization.

40504415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 40504415 is about 6364.3078963859. The cubic root of 40504415 is about 343.4267511111.

Adding to 40504415 its reverse (51440504), we get a palindrome (91944919).

The spelling of 40504415 in words is "forty million, five hundred four thousand, four hundred fifteen".