40663875 has 48 divisors (see below), whose sum is σ = 78747552. Its totient is φ = 18580800.

The previous prime is 40663873. The next prime is 40663891. The reversal of 40663875 is 57836604.

It is not a de Polignac number, because 40663875 - 2¹ = 40663873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40663871) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17269 + ... + 19481.

It is an arithmetic number, because the mean of its divisors is an integer number (1640574).

Almost surely, 2^40663875 is an apocalyptic number.

40663875 is a deficient number, since it is larger than the sum of its proper divisors (38083677).

40663875 is a wasteful number, since it uses less digits than its factorization.

40663875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2245 (or 2228 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 40663875 is about 6376.8232686817. The cubic root of 40663875 is about 343.8768347383.

The spelling of 40663875 in words is "forty million, six hundred sixty-three thousand, eight hundred seventy-five".