40162705 has 16 divisors (see below), whose sum is σ = 53443008. Its totient is φ = 28728000.

The previous prime is 40162699. The next prime is 40162741. The reversal of 40162705 is 50726104.

It is not a de Polignac number, because 40162705 - 2³ = 40162697 is a prime.

It is a super-2 number, since 2×40162705² = 3226085745834050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40162705.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2631 + ... + 9340.

It is an arithmetic number, because the mean of its divisors is an integer number (3340188).

Almost surely, 2^40162705 is an apocalyptic number.

It is an amenable number.

40162705 is a deficient number, since it is larger than the sum of its proper divisors (13280303).

40162705 is a wasteful number, since it uses less digits than its factorization.

40162705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12048.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 40162705 is about 6337.4052261158. The cubic root of 40162705 is about 342.4582647567.

Adding to 40162705 its reverse (50726104), we get a palindrome (90888809).

The spelling of 40162705 in words is "forty million, one hundred sixty-two thousand, seven hundred five".