40375471 has 4 divisors (see below), whose sum is σ = 40532832. Its totient is φ = 40218112.

The previous prime is 40375429. The next prime is 40375523. The reversal of 40375471 is 17457304.

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 40375471 - 2⁷ = 40375343 is a prime.

It is a super-3 number, since 3×40375471³ (a number of 24 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40375271) 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, 78295 + ... + 78808.

It is an arithmetic number, because the mean of its divisors is an integer number (10133208).

Almost surely, 2^40375471 is an apocalyptic number.

40375471 is a deficient number, since it is larger than the sum of its proper divisors (157361).

40375471 is a wasteful number, since it uses less digits than its factorization.

40375471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157360.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 40375471 is about 6354.1695759556. The cubic root of 40375471 is about 343.0619357934.

The spelling of 40375471 in words is "forty million, three hundred seventy-five thousand, four hundred seventy-one".