40161108673774 has 32 divisors (see below), whose sum is σ = 66150576011520. Its totient is φ = 18135295742400.

The previous prime is 40161108673771. The next prime is 40161108673783. The reversal of 40161108673774 is 47737680116104.

It is a super-2 number, since 2×40161108673774² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40161108673771) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6673132 + ... + 11173759.

It is an arithmetic number, because the mean of its divisors is an integer number (2067205500360).

Almost surely, 2^{40161108673774} is an apocalyptic number.

40161108673774 is a deficient number, since it is larger than the sum of its proper divisors (25989467337746).

40161108673774 is a wasteful number, since it uses less digits than its factorization.

40161108673774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17847576.

The product of its (nonzero) digits is 4741632, while the sum is 55.

Adding to 40161108673774 its reverse (47737680116104), we get a palindrome (87898788789878).

The spelling of 40161108673774 in words is "forty trillion, one hundred sixty-one billion, one hundred eight million, six hundred seventy-three thousand, seven hundred seventy-four".