40475943 has 20 divisors (see below), whose sum is σ = 61875528. Its totient is φ = 26354160.

The previous prime is 40475927. The next prime is 40475959. The reversal of 40475943 is 34957404.

It is an interprime number because it is at equal distance from previous prime (40475927) and next prime (40475959).

It is not a de Polignac number, because 40475943 - 2⁴ = 40475927 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40475898 and 40475907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40475983) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2328 + ... + 9293.

Almost surely, 2^40475943 is an apocalyptic number.

40475943 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

40475943 is a deficient number, since it is larger than the sum of its proper divisors (21399585).

40475943 is a wasteful number, since it uses less digits than its factorization.

40475943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11676 (or 11667 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 40475943 is about 6362.0706534901. The cubic root of 40475943 is about 343.3462632723.

The spelling of 40475943 in words is "forty million, four hundred seventy-five thousand, nine hundred forty-three".