40175212 has 24 divisors (see below), whose sum is σ = 87655680. Its totient is φ = 15652560.

The previous prime is 40175207. The next prime is 40175221. The reversal of 40175212 is 21257104.

It is a happy number.

It is a super-2 number, since 2×40175212² = 3228095318489888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64912 + ... + 65527.

It is an arithmetic number, because the mean of its divisors is an integer number (3652320).

Almost surely, 2^40175212 is an apocalyptic number.

It is an amenable number.

40175212 is an abundant number, since it is smaller than the sum of its proper divisors (47480468).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40175212 is a wasteful number, since it uses less digits than its factorization.

40175212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130461 (or 130459 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 40175212 is about 6338.3919096250. The cubic root of 40175212 is about 342.4938091836.

It can be divided in two parts, 4017 and 5212, that added together give a palindrome (9229).

The spelling of 40175212 in words is "forty million, one hundred seventy-five thousand, two hundred twelve".