40875885 has 12 divisors (see below), whose sum is σ = 70851612. Its totient is φ = 21800448.

The previous prime is 40875883. The next prime is 40875937. The reversal of 40875885 is 58857804.

It can be written as a sum of positive squares in 2 ways, for example, as 32285124 + 8590761 = 5682^2 + 2931^2 .

It is not a de Polignac number, because 40875885 - 2¹ = 40875883 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 908353 = 40875885 / (4 + 0 + 8 + 7 + 5 + 8 + 8 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 40875885.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40875881) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 454132 + ... + 454221.

It is an arithmetic number, because the mean of its divisors is an integer number (5904301).

Almost surely, 2^40875885 is an apocalyptic number.

40875885 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40875885 is a deficient number, since it is larger than the sum of its proper divisors (29975727).

40875885 is a wasteful number, since it uses less digits than its factorization.

40875885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 908364 (or 908361 counting only the distinct ones).

The product of its (nonzero) digits is 358400, while the sum is 45.

The square root of 40875885 is about 6393.4251383746. The cubic root of 40875885 is about 344.4734247979.

The spelling of 40875885 in words is "forty million, eight hundred seventy-five thousand, eight hundred eighty-five".