40061471 has 4 divisors (see below), whose sum is σ = 40074192. Its totient is φ = 40048752.

The previous prime is 40061467. The next prime is 40061477. The reversal of 40061471 is 17416004.

40061471 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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 40061471 - 2² = 40061467 is a prime.

It is a super-3 number, since 3×40061471³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40061477) 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, 2246 + ... + 9228.

It is an arithmetic number, because the mean of its divisors is an integer number (10018548).

Almost surely, 2^40061471 is an apocalyptic number.

40061471 is a deficient number, since it is larger than the sum of its proper divisors (12721).

40061471 is an equidigital number, since it uses as much as digits as its factorization.

40061471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12720.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 40061471 is about 6329.4131639513. The cubic root of 40061471 is about 342.1702895551.

Adding to 40061471 its reverse (17416004), we get a palindrome (57477475).

The spelling of 40061471 in words is "forty million, sixty-one thousand, four hundred seventy-one".