40472361 has 6 divisors (see below), whose sum is σ = 58460090. Its totient is φ = 26981568.

The previous prime is 40472353. The next prime is 40472447. The reversal of 40472361 is 16327404.

40472361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 37896336 + 2576025 = 6156^2 + 1605^2 .

It is not a de Polignac number, because 40472361 - 2³ = 40472353 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40472321) 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, 2248456 + ... + 2248473.

Almost surely, 2^40472361 is an apocalyptic number.

It is an amenable number.

40472361 is a deficient number, since it is larger than the sum of its proper divisors (17987729).

40472361 is a wasteful number, since it uses less digits than its factorization.

40472361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4496935 (or 4496932 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 40472361 is about 6361.7891351412. The cubic root of 40472361 is about 343.3361346008.

Adding to 40472361 its reverse (16327404), we get a palindrome (56799765).

The spelling of 40472361 in words is "forty million, four hundred seventy-two thousand, three hundred sixty-one".