40786875 has 40 divisors (see below), whose sum is σ = 75538320. Its totient is φ = 21744000.

The previous prime is 40786871. The next prime is 40786897. The reversal of 40786875 is 57868704.

It is not a de Polignac number, because 40786875 - 2² = 40786871 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 40786875.

It is not an unprimeable number, because it can be changed into a prime (40786871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 15667 + ... + 18083.

It is an arithmetic number, because the mean of its divisors is an integer number (1888458).

Almost surely, 2^40786875 is an apocalyptic number.

40786875 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

40786875 is a deficient number, since it is larger than the sum of its proper divisors (34751445).

40786875 is an equidigital number, since it uses as much as digits as its factorization.

40786875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2446 (or 2425 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The square root of 40786875 is about 6386.4602872014. The cubic root of 40786875 is about 344.2232050380.

The spelling of 40786875 in words is "forty million, seven hundred eighty-six thousand, eight hundred seventy-five".