40904351 has 6 divisors (see below), whose sum is σ = 42041160. Its totient is φ = 39797496.

The previous prime is 40904273. The next prime is 40904387. The reversal of 40904351 is 15340904.

40904351 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 40904351 - 2¹⁰ = 40903327 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40904351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40904651) 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 5 ways as a sum of consecutive naturals, for example, 13571 + ... + 16308.

It is an arithmetic number, because the mean of its divisors is an integer number (7006860).

Almost surely, 2^40904351 is an apocalyptic number.

40904351 is a deficient number, since it is larger than the sum of its proper divisors (1136809).

40904351 is an equidigital number, since it uses as much as digits as its factorization.

40904351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29953 (or 29916 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 40904351 is about 6395.6509441964. The cubic root of 40904351 is about 344.5533701018.

The spelling of 40904351 in words is "forty million, nine hundred four thousand, three hundred fifty-one".