40470165 has 32 divisors (see below), whose sum is σ = 73180800. Its totient is φ = 21214080.

The previous prime is 40470151. The next prime is 40470229. The reversal of 40470165 is 56107404.

It is not a de Polignac number, because 40470165 - 2⁷ = 40470037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5425 + ... + 10505.

It is an arithmetic number, because the mean of its divisors is an integer number (2286900).

Almost surely, 2^40470165 is an apocalyptic number.

40470165 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40470165 is a deficient number, since it is larger than the sum of its proper divisors (32710635).

40470165 is a wasteful number, since it uses less digits than its factorization.

40470165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5154 (or 5148 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 40470165 is about 6361.6165398427. The cubic root of 40470165 is about 343.3299247680.

Adding to 40470165 its reverse (56107404), we get a palindrome (96577569).

The spelling of 40470165 in words is "forty million, four hundred seventy thousand, one hundred sixty-five".