40612471 has 4 divisors (see below), whose sum is σ = 40690944. Its totient is φ = 40534000.

The previous prime is 40612459. The next prime is 40612477. The reversal of 40612471 is 17421604.

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 40612471 - 2⁹ = 40611959 is a prime.

It is a super-3 number, since 3×40612471³ (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 (40612477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38455 + ... + 39496.

It is an arithmetic number, because the mean of its divisors is an integer number (10172736).

Almost surely, 2^40612471 is an apocalyptic number.

40612471 is a deficient number, since it is larger than the sum of its proper divisors (78473).

40612471 is an equidigital number, since it uses as much as digits as its factorization.

40612471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78472.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 40612471 is about 6372.7914605768. The cubic root of 40612471 is about 343.7318731598.

The spelling of 40612471 in words is "forty million, six hundred twelve thousand, four hundred seventy-one".