40165100654 has 16 divisors (see below), whose sum is σ = 72478377600. Its totient is φ = 16307634744.

The previous prime is 40165100621. The next prime is 40165100669. The reversal of 40165100654 is 45600156104.

It is a super-2 number, since 2×40165100654² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 40165100654.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 75498044 + ... + 75498575.

It is an arithmetic number, because the mean of its divisors is an integer number (4529898600).

Almost surely, 2^40165100654 is an apocalyptic number.

40165100654 is a deficient number, since it is larger than the sum of its proper divisors (32313276946).

40165100654 is a wasteful number, since it uses less digits than its factorization.

40165100654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150996647.

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 40165100654 its reverse (45600156104), we get a palindrome (85765256758).

The spelling of 40165100654 in words is "forty billion, one hundred sixty-five million, one hundred thousand, six hundred fifty-four".